Nizhnik, L. P.; Taraborkin, L. A. On self-adjoint operators generated by nonhomogeneous elliptic problems with discontinuous boundary conditions and conjugation conditions. (English. Russian original) Zbl 0735.35050 Ukr. Math. J. 43, No. 3, 338-345 (1991); translation from Ukr. Mat. Zh. 43, No. 3, 374-381 (1991). Reviewer: P.Szeptycki (Lawrence) MSC: 35J25 35K60 47F05 PDF BibTeX XML Cite \textit{L. P. Nizhnik} and \textit{L. A. Taraborkin}, Ukr. Math. J. 43, No. 3, 338--345 (1991; Zbl 0735.35050); translation from Ukr. Mat. Zh. 43, No. 3, 374--381 (1991) Full Text: DOI OpenURL
Kjellmert, Bo A comparative study of the behaviour of a direct solver and a preconditioned iterative solver for the equations arising from the discretization by Chebyshev collocation of a second-order partial differential equation on a square. (English) Zbl 0758.65069 Int. J. Numer. Methods Eng. 32, No. 3, 527-539 (1991). Reviewer: V.Subba Rao (Madras) MSC: 65N35 65N22 65F05 65F10 65N06 65F35 35G15 PDF BibTeX XML Cite \textit{B. Kjellmert}, Int. J. Numer. Methods Eng. 32, No. 3, 527--539 (1991; Zbl 0758.65069) Full Text: DOI OpenURL
Zhang, Rongye Cauchy problem for some second-order linear differential operational equation in Hilbert space and its approximate solution. (Chinese. English summary) Zbl 0856.65063 Pure Appl. Math. 7, No. 1, 88-93 (1991). MSC: 65J10 65L60 65L70 34G10 65L05 PDF BibTeX XML Cite \textit{R. Zhang}, Pure Appl. Math. 7, No. 1, 88--93 (1991; Zbl 0856.65063) OpenURL
Sahoo, B. K. Asymptotic properties of solutions of a second order differential equation. (English) Zbl 0755.34028 Bull. Calcutta Math. Soc. 83, No. 3, 209-226 (1991). MSC: 34C11 34D05 PDF BibTeX XML Cite \textit{B. K. Sahoo}, Bull. Calcutta Math. Soc. 83, No. 3, 209--226 (1991; Zbl 0755.34028) OpenURL
Exton, Harold On the triconfluent Heun equation \([0,0,1_ 6]\). (English) Zbl 0766.34002 Ann. Soc. Sci. Bruxelles, Sér. I 105, No. 4, 189-195 (1991). MSC: 34A05 33C15 34M99 81Q05 PDF BibTeX XML Cite \textit{H. Exton}, Ann. Soc. Sci. Brux., Sér. I 105, No. 4, 189--195 (1991; Zbl 0766.34002) OpenURL
Şuhubi, E. S.; Bakkaloǧlu, A. Group properties and similarity solutions for a quasi-linear wave equation in the plane. (English) Zbl 0756.35043 Int. J. Non-Linear Mech. 26, No. 5, 567-584 (1991). MSC: 35L05 35L70 35A30 58A10 58J70 PDF BibTeX XML Cite \textit{E. S. Şuhubi} and \textit{A. Bakkaloǧlu}, Int. J. Non-Linear Mech. 26, No. 5, 567--584 (1991; Zbl 0756.35043) Full Text: DOI OpenURL
Lin, Ching-Her Gevrey property of formal solutions of a differential system. (English) Zbl 0764.34045 Bull. Inst. Math., Acad. Sin. 19, No. 4, 297-301 (1991). Reviewer: M.Rodriguez Ricard (La Habana) MSC: 34E15 PDF BibTeX XML Cite \textit{C.-H. Lin}, Bull. Inst. Math., Acad. Sin. 19, No. 4, 297--301 (1991; Zbl 0764.34045) OpenURL
Yang, Danping Boundary element methods for two-dimensional stationary convection- diffusion problem. (Chinese. English summary) Zbl 0755.65110 Numer. Math., Nanjing 13, No. 4, 356-367 (1991). Reviewer: Qin Mengzhao (Beijing) MSC: 65N38 65N30 65N15 35J25 PDF BibTeX XML Cite \textit{D. Yang}, Numer. Math., Nanjing 13, No. 4, 356--367 (1991; Zbl 0755.65110) OpenURL
Chen, Boshan Oscillation theorems for second order nonlinear differential equations with damping. (English) Zbl 0754.34024 Acta Math. Sci. 11, No. 4, 409-416 (1991). Reviewer: M.Bartušek (Brno) MSC: 34C10 PDF BibTeX XML Cite \textit{B. Chen}, Acta Math. Sci. 11, No. 4, 409--416 (1991; Zbl 0754.34024) OpenURL
Rahman, N. A. A. Approximate solution of the differential equation with spline function. (English) Zbl 0756.65105 Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Comput. 11, 165-174 (1991). Reviewer: Z.Schneider (Bratislava) MSC: 65L05 34A34 PDF BibTeX XML Cite \textit{N. A. A. Rahman}, Ann. Univ. Sci. Budap. Rolando Eötvös, Sect. Comput. 11, 165--174 (1991; Zbl 0756.65105) OpenURL
Peterson, Allan Oscillation of second order linear matrix difference equations. (English) Zbl 0762.39005 J. Differ. Equations 89, No. 1, 69-88 (1991). Reviewer: B.Aulbach (Augsburg) MSC: 39A10 39A12 34A30 PDF BibTeX XML Cite \textit{A. Peterson}, J. Differ. Equations 89, No. 1, 69--88 (1991; Zbl 0762.39005) Full Text: DOI OpenURL
Spagnolo, Sergio On a nonlinear Cauchy problem globally well-posed in the real analytic functions. (English) Zbl 0837.35096 Ambrosetti, A. (ed.) et al., Nonlinear analysis. A tribute in honour of Giovanni Prodi. Pisa: Scuola Normale Superiore, Quaderni. Universitá di Pisa. 319-334 (1991). MSC: 35L70 45K05 35B10 PDF BibTeX XML Cite \textit{S. Spagnolo}, in: Nonlinear analysis. A tribute in honour of Giovanni Prodi. Pisa: Scuola Normale Superiore. 319--334 (1991; Zbl 0837.35096) OpenURL
Kwong, Man Kam Uniqueness results for Emden-Fowler boundary value problems. (English) Zbl 0744.34023 Nonlinear Anal., Theory Methods Appl. 16, No. 5, 435-454 (1991). Reviewer: P.Zezza (Firenze) MSC: 34B15 68W30 PDF BibTeX XML Cite \textit{M. K. Kwong}, Nonlinear Anal., Theory Methods Appl. 16, No. 5, 435--454 (1991; Zbl 0744.34023) Full Text: DOI OpenURL
Shih, Shagi-Di Shock layer structure of Burgers’ equation. (English) Zbl 0820.35122 Liu, Fon-Che (ed.) et al., Proceedings of the 1989 conference on nonlinear analysis, Academia Sinica, Taipei, Republic of China, 19-24 June, 1989. Singapore: World Scientific. 237-257 (1991). MSC: 35Q53 76L05 35C20 PDF BibTeX XML Cite \textit{S.-D. Shih}, in: Proceedings of the 1989 conference on nonlinear analysis, Academia Sinica, Taipei, Republic of China, 19-24 June, 1989. Singapore: World Scientific. 237--257 (1991; Zbl 0820.35122) OpenURL
Seman, Ján Oscillation of the solutions of the second order nonlinear differential equation with deviating argument. (English) Zbl 0812.34071 Zb. Ved. Pr. Vys. Šk. Tech. Košiciach 1991, 17-22 (1991). MSC: 34K99 34C10 PDF BibTeX XML Cite \textit{J. Seman}, Zb. Ved. Pr. Vys. Šk. Tech. Košiciach 1991, 17--22 (1991; Zbl 0812.34071) OpenURL
Blot, Joël Almost periodic solutions of forced second order Hamiltonian systems. (English) Zbl 0761.34037 Ann. Fac. Sci. Toulouse, V. Sér., Math. 12, No. 3, 351-363 (1991). Reviewer: S.G.Zhuravlev (Moskva) MSC: 34C27 PDF BibTeX XML Cite \textit{J. Blot}, Ann. Fac. Sci. Toulouse, Math. (5) 12, No. 3, 351--363 (1991; Zbl 0761.34037) Full Text: DOI Numdam EuDML OpenURL
Klincsik, M. Asymptotic stability of linear nonautonomous dissipative hyperbolic partial differential equation. (English) Zbl 0826.35065 Farkas, M. (ed.) et al., Differential equations and its applications. Proceedings of the colloquium on differential equations and applications, held in Budapest, August 21-24, 1991. Amsterdam: North-Holland Publishing Company. Colloq. Math. Soc. János Bolyai. 62, 201-212 (1991). MSC: 35L20 35B35 PDF BibTeX XML Cite \textit{M. Klincsik}, in: Differential equations and its applications. Proceedings of the colloquium on differential equations and applications, held in Budapest, August 21-24, 1991. Amsterdam: North-Holland Publishing Company. 201--212 (1991; Zbl 0826.35065) OpenURL
Vernole, Paola A nonhomogeneous Dirichlet problem for a delay differential equation. (English) Zbl 0744.34054 Semigroup theory and evolution equations, Proc. 2nd Int. Conf., Delft/Neth. 1989, Lect. Notes Pure Appl. Math. 135, 511-518 (1991). Reviewer: V.Nazarov (Minsk) MSC: 34G10 35R10 PDF BibTeX XML Cite \textit{P. Vernole}, Lect. Notes Pure Appl. Math. 135, 511--518 (1991; Zbl 0744.34054) OpenURL
Teodoru, Georgeta Continuous selections for multifunctions and the Cauchy problem for multivalued equations. (English) Zbl 0799.54018 Bul. Inst. Politeh. Iași, Secț. I 37, No. 1-4, 67-73 (1991). MSC: 54C65 35R70 35L70 54C60 34A60 PDF BibTeX XML Cite \textit{G. Teodoru}, Bul. Inst. Politeh. Iași, Secț. I 37, No. 1--4, 67--73 (1991; Zbl 0799.54018) OpenURL
Fialka, Miloslav On the position of nodes of associated equations to the differential equation \(y''-q(t)y=r(t)\). (English) Zbl 0752.34023 Acta Univ. Palacki. Olomuc., Fac. Rerum Nat. 100, Math. 30, 107-119 (1991). MSC: 34C20 34A30 PDF BibTeX XML Cite \textit{M. Fialka}, Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 30, 107--119 (1991; Zbl 0752.34023) Full Text: EuDML OpenURL
Zeman, Jiří On some continuities of phases theory and WKB method for linear differential equation of the second order. (English) Zbl 0752.34034 Acta Univ. Palacki. Olomuc., Fac. Rerum Nat. 100, Math. 30, 39-47 (1991). MSC: 34E20 34A30 34C10 PDF BibTeX XML Cite \textit{J. Zeman}, Acta Univ. Palacki. Olomuc., Fac. Rerum Nat., Math. 30, 39--47 (1991; Zbl 0752.34034) Full Text: EuDML OpenURL
Vidossich, Giovanni Periodic solutions of hyperbolic equations using ordinary differential equations. (English) Zbl 0789.35114 Nonlinear Anal., Theory Methods Appl. 17, No. 8, 703-710 (1991). MSC: 35L70 34C25 35B10 35A05 PDF BibTeX XML Cite \textit{G. Vidossich}, Nonlinear Anal., Theory Methods Appl. 17, No. 8, 703--710 (1991; Zbl 0789.35114) Full Text: DOI OpenURL
Lasiecka, Irena; Triggiani, Roberto Differential Riccati equations with unbounded coefficients: Applications to boundary control/boundary observation hyperbolic problems. (English) Zbl 0754.34064 Nonlinear Anal., Theory Methods Appl. 17, No. 7, 655-682 (1991). Reviewer: J.Klamka (Katowice) MSC: 34G20 93C20 93B07 93C05 34H05 PDF BibTeX XML Cite \textit{I. Lasiecka} and \textit{R. Triggiani}, Nonlinear Anal., Theory Methods Appl. 17, No. 7, 655--682 (1991; Zbl 0754.34064) Full Text: DOI OpenURL
Berkovits, Juha; Mustonen, Vesa On the existence of multiple solutions for semilinear equations with monotone nonlinearities crossing a finite number of eigenvalues. (English) Zbl 0757.35002 Nonlinear Anal., Theory Methods Appl. 17, No. 5, 399-412 (1991). Reviewer: L.Vazquez (Madrid) MSC: 35B10 35L70 35L05 35B45 35A99 47H11 55M25 PDF BibTeX XML Cite \textit{J. Berkovits} and \textit{V. Mustonen}, Nonlinear Anal., Theory Methods Appl. 17, No. 5, 399--412 (1991; Zbl 0757.35002) Full Text: DOI OpenURL
Bimenov, M. A. Correctness of the linear problem on small perturbations of motion of ideal fluid with the free boundary in the class of smooth functions. (Russian. English summary) Zbl 0804.76011 Din. Splosh. Sredy 102, 18-30 (1991). MSC: 76B15 35Q35 35R35 PDF BibTeX XML Cite \textit{M. A. Bimenov}, Din. Splosh. Sredy 102, 18--30 (1991; Zbl 0804.76011) OpenURL
Zhao, Weili Singular perturbation of boundary value problems for second order nonlinear ordinary differential equations on infinite interval. II. (English) Zbl 0753.34043 Appl. Math. Mech., Engl. Ed. 12, No. 11, 1105-1116 (1991). Reviewer: Jiang Furu (Shanghai) MSC: 34E15 PDF BibTeX XML Cite \textit{W. Zhao}, Appl. Math. Mech., Engl. Ed. 12, No. 11, 1105--1116 (1991; Zbl 0753.34043) Full Text: DOI OpenURL
Zhang, Juling Extended Airy function and differential equations with \(n\)-turning points. (English) Zbl 0749.34032 Appl. Math. Mech., Engl. Ed. 12, No. 9, 907-926 (1991). MSC: 34E20 33C10 PDF BibTeX XML Cite \textit{J. Zhang}, Appl. Math. Mech., Engl. Ed. 12, No. 9, 907--926 (1991; Zbl 0749.34032) Full Text: DOI OpenURL
Amar, Makhlouf On the periodic solutions of a particular Lamé equation. (English) Zbl 0754.34017 Celestial Mech. Dyn. Astron. 52, No. 4, 397-406 (1991). Reviewer: P.F.Moson (Budapest) MSC: 34B30 34C25 34A30 34M99 34A25 PDF BibTeX XML Cite \textit{M. Amar}, Celest. Mech. Dyn. Astron. 52, No. 4, 397--406 (1991; Zbl 0754.34017) Full Text: DOI OpenURL
Huang, Chenggui The explicit solutions of the Sturm-Liouville problem. (English) Zbl 0749.34018 Comput. Math. Appl. 22, No. 11, 29-37 (1991). MSC: 34B24 34B05 34A05 PDF BibTeX XML Cite \textit{C. Huang}, Comput. Math. Appl. 22, No. 11, 29--37 (1991; Zbl 0749.34018) Full Text: DOI OpenURL
Qin, Mengzhao; Zhu, Wenjie Canonical Runge-Kutta-Nyström (RKN) methods for second order ordinary differential equations. (English) Zbl 0769.65054 Comput. Math. Appl. 22, No. 9, 85-95 (1991). Reviewer: J.C.Butcher (Auckland) MSC: 65L06 65L05 34A34 PDF BibTeX XML Cite \textit{M. Qin} and \textit{W. Zhu}, Comput. Math. Appl. 22, No. 9, 85--95 (1991; Zbl 0769.65054) Full Text: DOI OpenURL
Sforza, Daniela On a class of second order integrodifferential equations. (English) Zbl 0757.45012 Rend. Semin. Mat. Univ. Padova 86, 157-174 (1991). Reviewer: O.Staffans (Espoo) MSC: 45N05 45J05 PDF BibTeX XML Cite \textit{D. Sforza}, Rend. Semin. Mat. Univ. Padova 86, 157--174 (1991; Zbl 0757.45012) Full Text: Numdam EuDML OpenURL
Drábek, Pavel On the global bifurcation for a class of degenerate equations. (English) Zbl 0814.34018 Ann. Mat. Pura Appl., IV. Ser. 159, 1-16 (1991). MSC: 34B15 35J30 34C23 35B32 PDF BibTeX XML Cite \textit{P. Drábek}, Ann. Mat. Pura Appl. (4) 159, 1--16 (1991; Zbl 0814.34018) Full Text: DOI OpenURL
Wong, Fu-Hsiang; Yeh, Cheh-Chih Oscillation criteria for second order superlinear differential equations. (English) Zbl 0796.34022 Yoshizawa, T. (ed.) et al., Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 357-361 (1991). MSC: 34C10 PDF BibTeX XML Cite \textit{F.-H. Wong} and \textit{C.-C. Yeh}, in: Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 357--361 (1991; Zbl 0796.34022) OpenURL
Hatvani, L. Periodic solutions of nonlinear functional differential equations. (English) Zbl 0796.34056 Yoshizawa, T. (ed.) et al., Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 120-126 (1991). MSC: 34K99 34C25 PDF BibTeX XML Cite \textit{L. Hatvani}, in: Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 120--126 (1991; Zbl 0796.34056) OpenURL
Capietto, A.; Mawhin, J.; Zanolin, F. Periodic solutions of some superlinear functional differential equations. (English) Zbl 0796.34052 Yoshizawa, T. (ed.) et al., Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 19-31 (1991). MSC: 34K99 34C25 PDF BibTeX XML Cite \textit{A. Capietto} et al., in: Proceedings of the international symposium on functional differential equations, Kyoto, Japan, 30 August - 2 September 1990. Singapore: World Scientific. 19--31 (1991; Zbl 0796.34052) OpenURL
Hoh, Walter; Jacob, Niels On the potential theory of the Kolmogorov equation. (English) Zbl 0754.31009 Math. Nachr. 154, 51-66 (1991). Reviewer: W.Hansen (Bielefeld) MSC: 31D05 35K20 47F05 PDF BibTeX XML Cite \textit{W. Hoh} and \textit{N. Jacob}, Math. Nachr. 154, 51--66 (1991; Zbl 0754.31009) Full Text: DOI OpenURL
Sobeih, M. M.; El-Bestawy, R. S. The stability for the solution of a differential equation of neutral type. (English) Zbl 0808.34088 An. Științ. Univ. Al. I. Cuza Iași, Ser. Nouă, Mat. 37, No. 2, 181-189 (1991). Reviewer: A.Halanay (Bucureşti) MSC: 34K20 34K40 PDF BibTeX XML Cite \textit{M. M. Sobeih} and \textit{R. S. El-Bestawy}, An. Științ. Univ. Al. I. Cuza Iași, Ser. Nouă, Mat. 37, No. 2, 181--189 (1991; Zbl 0808.34088) OpenURL
Exton, Harold A generalised confluent hypergeometric equation and an application to a class of anharmonic oscillators. (English) Zbl 0746.34015 J. Indian Acad. Math. 13, No. 1, 6-11 (1991). MSC: 34A30 33C15 34A25 34C25 34E05 PDF BibTeX XML Cite \textit{H. Exton}, J. Indian Acad. Math. 13, No. 1, 6--11 (1991; Zbl 0746.34015) OpenURL
Hastings, S. P.; McLeod, J. B. On the periodic solutions of a forced second-order equation. (English) Zbl 0801.34040 J. Nonlinear Sci. 1, No. 2, 225-245 (1991). Reviewer: M.Gousidou-Koutita (Thessaloniki) MSC: 34C25 34C15 65J99 76B15 PDF BibTeX XML Cite \textit{S. P. Hastings} and \textit{J. B. McLeod}, J. Nonlinear Sci. 1, No. 2, 225--245 (1991; Zbl 0801.34040) Full Text: DOI OpenURL
Belov, Yu. Ya. On an inverse problem for a semilinear parabolic equation. (English. Russian original) Zbl 0761.35110 Sov. Math., Dokl. 43, No. 1, 216-220 (1991); translation from Dokl. Akad. Nauk SSSR 316, No. 5, 1034-1038 (1991). Reviewer: Yu Wenhuan (Tianjin) MSC: 35R30 35K15 35K55 45K05 PDF BibTeX XML Cite \textit{Yu. Ya. Belov}, Sov. Math., Dokl. 43, No. 1, 216--220 (1991; Zbl 0761.35110); translation from Dokl. Akad. Nauk SSSR 316, No. 5, 1034--1038 (1991) OpenURL
Akhtamova, S. S.; Belov, Yu. Ya. On some inverse problems for parabolic equations. (English. Russian original) Zbl 0766.35069 Sov. Math., Dokl. 43, No. 1, 166-170 (1991); translation from Dokl. Akad. Nauk SSSR 316, No. 4, 791-795 (1991). Reviewer: M.Goebel (Halle) MSC: 35R30 45K05 35K15 35K20 PDF BibTeX XML Cite \textit{S. S. Akhtamova} and \textit{Yu. Ya. Belov}, Sov. Math., Dokl. 43, No. 1, 166--170 (1991; Zbl 0766.35069); translation from Dokl. Akad. Nauk SSSR 316, No. 4, 791--795 (1991) OpenURL
Huang, Cunzhi Some results on the complex oscillation theory of second order linear differential equations. (English) Zbl 0754.34009 Kodai Math. J. 14, No. 3, 313-319 (1991). Reviewer: E.Barvínek (Brno) MSC: 34A30 34M99 30D35 34C10 PDF BibTeX XML Cite \textit{C. Huang}, Kodai Math. J. 14, No. 3, 313--319 (1991; Zbl 0754.34009) Full Text: DOI OpenURL
Wong, James S. W. Oscillation of sublinear second order differential equations with integrable coefficients. (English) Zbl 0751.34018 J. Math. Anal. Appl. 162, No. 2, 476-481 (1991). Reviewer: A.H.Nasr MSC: 34C10 PDF BibTeX XML Cite \textit{J. S. W. Wong}, J. Math. Anal. Appl. 162, No. 2, 476--481 (1991; Zbl 0751.34018) Full Text: DOI OpenURL
Luo, Zheng-Hua On existence and uniqueness of solutions of a class of perturbed second order evolution equations. (English) Zbl 0748.34039 Syst. Control Lett. 17, No. 5, 401-408 (1991). Reviewer: C.Marinov (Bucureşti) MSC: 34G10 47D03 PDF BibTeX XML Cite \textit{Z.-H. Luo}, Syst. Control Lett. 17, No. 5, 401--408 (1991; Zbl 0748.34039) Full Text: DOI OpenURL
Kuzin, I. A. Existence of a countable set of periodic, spherically symmetric solutions of a nonlinear wave equation. (English. Russian original) Zbl 0741.35040 Math. USSR, Izv. 38, No. 1, 107-129 (1992); translation from Izv. Akad. Nauk SSSR, Ser. Mat. 55, No. 1, 110-133 (1991). MSC: 35L70 35L05 35B10 35P99 PDF BibTeX XML Cite \textit{I. A. Kuzin}, Math. USSR, Izv. 38, No. 1, 107--129 (1991; Zbl 0741.35040); translation from Izv. Akad. Nauk SSSR, Ser. Mat. 55, No. 1, 110--133 (1991) Full Text: DOI OpenURL
Ibragimov, N. Kh. The experience of group analysis of ordinary differential equations. (Opyt gruppovogo analiza obyknovennykh differentsial’nykh uravnenij.) (Russian) Zbl 0791.34001 Novoe v Zhizni, Nauke, Tekhnike. Seriya Matematika, Kibernetika. 91-7. Moskva: Znanie. 48 p. (1991). MSC: 34-01 34A26 37C80 PDF BibTeX XML Cite \textit{N. Kh. Ibragimov}, Opyt gruppovogo analiza obyknovennykh differentsial'nykh uravnenij (Russian). Moskva: Znanie (1991; Zbl 0791.34001) OpenURL
Mel’nikov, Yu. A. Green’s functions and matrices of equations and systems of elliptic type. Textbook. (Funktsii i matritsy Grina uravnenij i sistem ehllipticheskogo tipa. Uchebnoe posobie.) (Russian) Zbl 0786.35002 Dnepropetrovsk: Izdatel’stvo Dnepropetrovskogo Gosudarstvennogo Universiteta, 148 p. (1991). Reviewer: J.A.Melnikov (Dnepropetrovsk) MSC: 35-02 35C15 35J15 35J45 PDF BibTeX XML Cite \textit{Yu. A. Mel'nikov}, Funktsii i matritsy Grina uravnenij i sistem ehllipticheskogo tipa. Uchebnoe posobie (Russian). Dnepropetrovsk: Izdatel'stvo Dnepropetrovskogo Gosudarstvennogo Universiteta (1991; Zbl 0786.35002) OpenURL
Dong, Guangchang Nonlinear partial differential equations of second order. Transl. from the Chinese by Kai Seng Chou. (English) Zbl 0759.35001 Translations of Mathematical Monographs. 95. Providence, RI: American Mathematical Society (AMS). vii, 251 p. (1991). Reviewer: P.Drábek (Plzen) MSC: 35-02 35J60 35L70 35K55 35J15 35K10 PDF BibTeX XML Cite \textit{G. Dong}, Nonlinear partial differential equations of second order. Transl. from the Chinese by Kai Seng Chou. Providence, RI: American Mathematical Society (1991; Zbl 0759.35001) OpenURL
Rauch, Jeffrey Partial differential equations. (English) Zbl 0742.35001 Graduate Texts in Mathematics. 128. New York etc.: Springer-Verlag. x, 263 p. with 42 ill. (1991). Reviewer: N.Jacob (Erlangen) MSC: 35-01 35K05 35L05 35A10 35A30 46E35 42B10 35Q40 35Dxx 35J25 35B05 PDF BibTeX XML Cite \textit{J. Rauch}, Partial differential equations. New York etc.: Springer-Verlag (1991; Zbl 0742.35001) OpenURL
Suzuki, Takashi Mathematical theory of applied inverse problems. (English) Zbl 0745.35051 Sophia Kokyuroku in Mathematics. 33. Tokyo: Sophia University, Department of Mathematics, ii, 175 p. (1991). Reviewer: G.Anger (Berlin) MSC: 35R30 35K20 35-02 35L20 35P05 47A75 PDF BibTeX XML Cite \textit{T. Suzuki}, Mathematical theory of applied inverse problems. Tokyo: Sophia University, Department of Mathematics (1991; Zbl 0745.35051) OpenURL
Stiller, Jörg Ein Programmsystem für die numerische Lösung der Poisson-Gleichung auf lokal verfeinerten Kartesischen Gittern. (A program system for the numerical solution of the Poisson equation on locally refined Cartesian grids). (German) Zbl 0721.65058 Karlsruhe: Univ. Karlsruhe, SFB 210, Strömungsmechanische Bemessungsgrundlagen für Bauwerke. 65 S. (1991). MSC: 65N06 65N50 65N22 65N55 65Y05 35-04 35J05 PDF BibTeX XML Cite \textit{J. Stiller}, Ein Programmsystem für die numerische Lösung der Poisson-Gleichung auf lokal verfeinerten Kartesischen Gittern. (A program system for the numerical solution of the Poisson equation on locally refined Cartesian grids). Karlsruhe: Univ. Karlsruhe, SFB 210, Strömungsmechanische Bemessungsgrundlagen für Bauwerke (1991; Zbl 0721.65058) OpenURL
Barták, Jaroslav; Herrmann, Leopold; Lovicar, Vladimír; Vejvoda, Otto Twizell, E. H. (ed.) Partial differential equations of evolution. Translator: Leopold Herrmann. Transl. editor: E. H. Twizell. (English) Zbl 0726.35001 Ellis Horwood Series in Mathematics and its Applications. Statistics, Operational Research and Computational Mathematics Section. New York etc.: Ellis Horwood; Prague: SNTL - Publishers of Technical Literature. 261 p. (1991). Reviewer: B.Straughan (Glasgow) MSC: 35-01 35K05 35L05 35K10 35G10 35K25 35L10 74K10 74K20 PDF BibTeX XML Cite \textit{J. Barták} et al., Partial differential equations of evolution. Translator: Leopold Herrmann. Transl. editor: E. H. Twizell. New York etc.: Ellis Horwood; Prague: SNTL - Publishers of Technical Literature (1991; Zbl 0726.35001) OpenURL
Gyöngy, István On stochastic partial differential equations. Results on approximations. (English) Zbl 0791.60046 Gerencsér, L. (ed.) et al., Topics in stochastic systems: modelling, estimation and adaptive control. Berlin: Springer-Verlag. Lect. Notes Control Inf. Sci. 161, 116-136 (1991). Reviewer: W.Grecksch (Halle) MSC: 60H15 60G35 PDF BibTeX XML Cite \textit{I. Gyöngy}, Lect. Notes Control Inf. Sci. 161, 116--136 (1991; Zbl 0791.60046) OpenURL
Rutkauskas, S. On the modified Dirichlet problem for a system of differential equations with singularities. (Russian. English summary) Zbl 0761.35037 Lit. Mat. Sb. 31, No. 4, 665-669 (1991). Reviewer: A.Kufner (Praha) MSC: 35J70 35J55 35J25 PDF BibTeX XML Cite \textit{S. Rutkauskas}, Litov. Mat. Sb. 31, No. 4, 665--669 (1991; Zbl 0761.35037) OpenURL
Brykalov, S. A. Solvability of a nonlinear boundary value problem in a fixed set of functions. (Russian) Zbl 0743.34070 Differ. Uravn. 27, No. 12, 2027-2033 (1991). Reviewer: I.Rachŭnková (Olomouc) MSC: 34K10 34B15 PDF BibTeX XML Cite \textit{S. A. Brykalov}, Differ. Uravn. 27, No. 12, 2027--2033 (1991; Zbl 0743.34070) OpenURL
Styczeń, Krystyn Optimal periodic non-boundary control for a tubular reactor: A performance improvement criterion. (English) Zbl 0734.49020 Syst. Control Lett. 16, No. 1, 71-78 (1991). Reviewer: O.Cârjá (Iaşi) MSC: 49N20 49N70 49N75 PDF BibTeX XML Cite \textit{K. Styczeń}, Syst. Control Lett. 16, No. 1, 71--78 (1991; Zbl 0734.49020) Full Text: DOI OpenURL
Schilling, Randolph James Multiple Hamiltonian structures and soliton equations with explicit x-dependence. (English) Zbl 0734.35105 Physica D 49, No. 3, 363-375 (1991). MSC: 35Q53 47F05 35Q51 PDF BibTeX XML Cite \textit{R. J. Schilling}, Physica D 49, No. 3, 363--375 (1991; Zbl 0734.35105) Full Text: DOI OpenURL
Bouquet, S. E.; Feix, M. R.; Leach, P. G. L. Properties of second-order ordinary differential equations invariant under time translation and self-similar transformation. (English) Zbl 0734.34029 J. Math. Phys. 32, No. 6, 1480-1490 (1991). MSC: 34C20 34C05 34D05 34A25 34A34 PDF BibTeX XML Cite \textit{S. E. Bouquet} et al., J. Math. Phys. 32, No. 6, 1480--1490 (1991; Zbl 0734.34029) Full Text: DOI OpenURL
Huang, Cunzhi Real zeros of solutions of second order linear differential equations. (English) Zbl 0734.34008 Kodai Math. J. 14, No. 1, 113-122 (1991). Reviewer: A.Klič (Praha) MSC: 34M99 34A30 30D15 30D35 PDF BibTeX XML Cite \textit{C. Huang}, Kodai Math. J. 14, No. 1, 113--122 (1991; Zbl 0734.34008) Full Text: DOI Link OpenURL
Fajzibaev, Eh. F.; Kadyrbekov, T. The method of two-variable expansion of the solution of an integrodifferential equation with a small parameter. (English. Russian original) Zbl 0733.45012 Ukr. Math. J. 43, No. 1, 107-111 (1991); translation from Ukr. Mat. Zh. 43, No. 1, 129-133 (1991). Reviewer: S.Aizicovici (Athens/Ohio) MSC: 45J05 45G10 45L05 PDF BibTeX XML Cite \textit{Eh. F. Fajzibaev} and \textit{T. Kadyrbekov}, Ukr. Math. J. 43, No. 1, 107--111 (1991; Zbl 0733.45012); translation from Ukr. Mat. Zh. 43, No. 1, 129--133 (1991) Full Text: DOI OpenURL
Lohéac, Jean-Pierre An artificial boundary condition for an advection-diffusion equation. (English) Zbl 0733.35049 Math. Methods Appl. Sci. 14, No. 3, 155-175 (1991). Reviewer: R.Redlinger (Karlsruhe) MSC: 35K20 65M15 65M99 65N99 PDF BibTeX XML Cite \textit{J.-P. Lohéac}, Math. Methods Appl. Sci. 14, No. 3, 155--175 (1991; Zbl 0733.35049) Full Text: DOI OpenURL
Tang, Muzhong Oscillatory property of solutions for second order functional differential equation to be changed into an “integrally small” coefficient. (English) Zbl 0733.34073 Chin. Sci. Bull. 36, No. 2, 89-94 (1991). Reviewer: Cui Baotong (Binzhou) MSC: 34K99 34C10 PDF BibTeX XML Cite \textit{M. Tang}, Chin. Sci. Bull. 36, No. 2, 89--94 (1991; Zbl 0733.34073) OpenURL
Gusyatnikova, V. N.; Yumaguzhin, V. A. Point transformations and linearizability of second order ordinary differential equations. (English. Russian original) Zbl 0733.34044 Math. Notes 49, No. 1, 103-105 (1991); translation from Mat. Zametki 49, No. 1, 146-148 (1991). MSC: 34C20 34A25 34A34 PDF BibTeX XML Cite \textit{V. N. Gusyatnikova} and \textit{V. A. Yumaguzhin}, Math. Notes 49, No. 1, 103--105 (1991; Zbl 0733.34044); translation from Mat. Zametki 49, No. 1, 146--148 (1991) Full Text: DOI OpenURL
Jódar, L.; Navarro, E. A closed form solution for nonsymmetric Riccati differential equations with invertible quadratic coefficient. (English) Zbl 0733.34003 Appl. Math. Lett. 4, No. 2, 17-20 (1991). Reviewer: A.V.Kryazhimskij (Sverdlovsk) MSC: 34A05 PDF BibTeX XML Cite \textit{L. Jódar} and \textit{E. Navarro}, Appl. Math. Lett. 4, No. 2, 17--20 (1991; Zbl 0733.34003) Full Text: DOI OpenURL
Orlov, V. P. On the stability of the zero solution of a one-dimensional mathematical model of viscoelasticity. (English) Zbl 0732.73021 Differ. Integral Equ. 4, No. 1, 89-101 (1991). Reviewer: H.-D.Alber (Darmstadt) MSC: 74Hxx 35B35 35L70 PDF BibTeX XML Cite \textit{V. P. Orlov}, Differ. Integral Equ. 4, No. 1, 89--101 (1991; Zbl 0732.73021) OpenURL
Garey, L. E.; Gladwin, C. J.; Shaw, R. E. Direct numerical methods for second order Fredholm integro-differential equations. (English) Zbl 0732.65121 Util. Math. 39, 21-31 (1991). Reviewer: H.Brunner (St.John’s) MSC: 65R20 45J05 PDF BibTeX XML Cite \textit{L. E. Garey} et al., Util. Math. 39, 21--31 (1991; Zbl 0732.65121) OpenURL
Kaper, Hans G.; Knaap, Mariette; Kwong, Man Kam Existence theorems for second order boundary value problems. (English) Zbl 0732.34019 Differ. Integral Equ. 4, No. 3, 543-554 (1991). Reviewer: B.Shekhter (Tbilisi) MSC: 34B15 35J25 35J65 35J05 PDF BibTeX XML Cite \textit{H. G. Kaper} et al., Differ. Integral Equ. 4, No. 3, 543--554 (1991; Zbl 0732.34019) OpenURL
Kuzin, I. A. Existence of a denumerable set of periodic spherically symmetric solutions of the nonlinear wave equation. (Russian) Zbl 0731.35064 Izv. Akad. Nauk SSSR, Ser. Mat. 55, No. 1, 110-133 (1991). Reviewer: S.Zanfir (Craiova) MSC: 35L70 35P99 PDF BibTeX XML Cite \textit{I. A. Kuzin}, Izv. Akad. Nauk SSSR, Ser. Mat. 55, No. 1, 110--133 (1991; Zbl 0731.35064) OpenURL
Naito, Koichiro; Seidman, Thomas I. Invariance of the approximately reachable set under nonlinear perturbations. (English) Zbl 0729.49022 SIAM J. Control Optimization 29, No. 3, 731-750 (1991). Reviewer: H.Nijmeijer (Enschede) MSC: 49K40 35B37 93B05 93C20 PDF BibTeX XML Cite \textit{K. Naito} and \textit{T. I. Seidman}, SIAM J. Control Optim. 29, No. 3, 731--750 (1991; Zbl 0729.49022) Full Text: DOI Link OpenURL
Tröltzsch, F. Approximation of non-linear parabolic boundary control problems by the Fourier method - convergence of optimal controls. (English) Zbl 0729.49019 Optimization 22, No. 1, 83-98 (1991). Reviewer: K.Malanowski (Warszawa) MSC: 49K22 49K20 49M05 PDF BibTeX XML Cite \textit{F. Tröltzsch}, Optimization 22, No. 1, 83--98 (1991; Zbl 0729.49019) Full Text: DOI OpenURL
Choudury, Gilbert; Korman, Philip Computation of solutions of nonlinear boundary value problems. (English) Zbl 0728.65069 Comput. Math. Appl. 22, No. 8, 49-55 (1991). MSC: 65L10 65L12 34B15 PDF BibTeX XML Cite \textit{G. Choudury} and \textit{P. Korman}, Comput. Math. Appl. 22, No. 8, 49--55 (1991; Zbl 0728.65069) Full Text: DOI OpenURL
Krall, Allan M. The decomposition of \(M(\lambda)\) surfaces using Niessen’s limit circles. (English) Zbl 0728.34087 J. Math. Anal. Appl. 154, No. 1, 292-300 (1991). Reviewer: R.Lee (Fredericton) MSC: 34L05 34L15 PDF BibTeX XML Cite \textit{A. M. Krall}, J. Math. Anal. Appl. 154, No. 1, 292--300 (1991; Zbl 0728.34087) Full Text: DOI OpenURL
Raptis, A. D.; Simos, T. E. A four-step phase-fitted method for the numerical integration of second order initial-value problems. (English) Zbl 0726.65089 BIT 31, No. 1, 160-168 (1991). Reviewer: M.Gousidou-Koutita (Thessaloniki) MSC: 65L06 65L05 34A34 34C25 34L40 PDF BibTeX XML Cite \textit{A. D. Raptis} and \textit{T. E. Simos}, BIT 31, No. 1, 160--168 (1991; Zbl 0726.65089) Full Text: DOI OpenURL
Gorbachuk, V. M. The Dirichlet problem for a differential-operator equation of second order on the half-line. (English. Russian original) Zbl 0725.34026 Sel. Math. Sov. 10, No. 1, 81-89 (1991); translation from Application of functional analytic methods to problems of mathematical physics, Collect. sci. Works, Kiev 1987, 89-97 (1987). MSC: 34B99 47E05 34G10 PDF BibTeX XML Cite \textit{V. M. Gorbachuk}, Sel. Math. Sov. 10, No. 1, 81--89 (1991; Zbl 0725.34026); translation from Application of functional analytic methods to problems of mathematical physics, Collect. sci. Works, Kiev 1987, 89--97 (1987) OpenURL
Krener, Arthur J.; Frezza, Ruggero; Levy, Bernard C. Gaussian reciprocal processes and self-adjoint stochastic differential equations of second order. (English) Zbl 0724.60063 Stochastics Stochastics Rep. 34, No. 1-2, 29-56 (1991). Reviewer: M.Capinski (Kraków) MSC: 60H10 60G15 PDF BibTeX XML Cite \textit{A. J. Krener} et al., Stochastics Stochastics Rep. 34, No. 1--2, 29--56 (1991; Zbl 0724.60063) Full Text: DOI OpenURL
Gusyatnikova, V. N.; Yumaguzhin, V. A. Point transformations and linearizability of ordinary second order differential equations. (Russian) Zbl 0722.34033 Mat. Zametki 49, No. 1, 146-148 (1991). Reviewer: G.Arazov (Baku) MSC: 34C20 34A25 34A34 PDF BibTeX XML Cite \textit{V. N. Gusyatnikova} and \textit{V. A. Yumaguzhin}, Mat. Zametki 49, No. 1, 146--148 (1991; Zbl 0722.34033) OpenURL
Coles, W. J. Oscillation for self-adjoint second order matrix differential equations. (English) Zbl 0722.34026 Differ. Integral Equ. 4, No. 1, 195-204 (1991). Reviewer: Li Bingxi (Guangzhou) MSC: 34C10 PDF BibTeX XML Cite \textit{W. J. Coles}, Differ. Integral Equ. 4, No. 1, 195--204 (1991; Zbl 0722.34026) OpenURL
Dormand, J. R.; El-Mikkawy, M. E. A.; Prince, P. J. Corrigendum: High-order embedded Runge-Kutta-Nyström formulae. (English) Zbl 0721.65041 IMA J. Numer. Anal. 11, No. 2, 297 (1991). MSC: 65L06 65L05 34A34 PDF BibTeX XML Cite \textit{J. R. Dormand} et al., IMA J. Numer. Anal. 11, No. 2, 297 (1991; Zbl 0721.65041) Full Text: DOI OpenURL
Malcata, F. Xavier On the approximate analytical solution of a problem of optimization in the field of immobilized enzymes. (English) Zbl 0719.92011 Int. J. Math. Educ. Sci. Technol. 22, No. 2, 177-185 (1991). MSC: 92C45 34A05 65L10 PDF BibTeX XML Cite \textit{F. X. Malcata}, Int. J. Math. Educ. Sci. Technol. 22, No. 2, 177--185 (1991; Zbl 0719.92011) Full Text: DOI Link OpenURL
Goebel, M.; Raitums, U. On necessary optimality conditions for systems governed by a two point boundary value problem. II. (English) Zbl 0719.49016 Optimization 22, No. 1, 67-81 (1991). MSC: 49K15 34H05 93C15 PDF BibTeX XML Cite \textit{M. Goebel} and \textit{U. Raitums}, Optimization 22, No. 1, 67--81 (1991; Zbl 0719.49016) Full Text: DOI OpenURL
Wazwaz, A.-M.; Hanson, F. B. Moments of extinction for a singular perturbation problem in the diffusion process. (English) Zbl 0719.34104 SIAM J. Appl. Math. 51, No. 1, 233-265 (1991). Reviewer: J.M.Stoyanov (Kingston/Ontario) MSC: 34E20 60G40 92D25 60J10 34E05 34L10 PDF BibTeX XML Cite \textit{A. M. Wazwaz} and \textit{F. B. Hanson}, SIAM J. Appl. Math. 51, No. 1, 233--265 (1991; Zbl 0719.34104) Full Text: DOI OpenURL
Törnig, Willi; Gipser, Michael; Kaspar, Bernhard Numerical solution of partial differential equations from technics. Difference methods, finite elements, and treatment of large systems of equations. 2., durchges. Aufl. (Numerische Lösung von partiellen Differentialgleichungen der Technik. Differenzenverfahren, Finite Elemente und die Behandlung großer Gleichungssysteme.) (German) Zbl 0782.65125 Mathematische Methoden in der Technik. 1. Stuttgart: B. G. Teubner. 183 p. (1991). MSC: 65Nxx 65-02 65N30 65N55 65F10 65H10 65N06 65N15 35J25 35J05 35J65 PDF BibTeX XML Cite \textit{W. Törnig} et al., Numerische Lösung von partiellen Differentialgleichungen der Technik. Differenzenverfahren, Finite Elemente und die Behandlung großer Gleichungssysteme. 2., durchges. Aufl. Stuttgart: B. G. Teubner (1991; Zbl 0782.65125) OpenURL
Langenbach, A. On a one- dimensional model of the finite elastostatics. (Über ein eindimensionales Modell der finiten Elastostatik.) (German) Zbl 0759.73020 Z. Anal. Anwend. 10, No. 2, 183-192 (1991). MSC: 74B20 74K10 47E05 PDF BibTeX XML Cite \textit{A. Langenbach}, Z. Anal. Anwend. 10, No. 2, 183--192 (1991; Zbl 0759.73020) Full Text: DOI OpenURL
Guennoun, Zine El Abdine Méthode de sur et sous-solutions appliquée à des problèmes périodiques. (Applications of the method of upper and lower solutions to periodic problems). (French) Zbl 0752.34028 Ann. Sci. Math. Qué. 15, No. 2, 153-163 (1991). Reviewer: I.Rachůnková (Olomouc) MSC: 34C25 34C11 PDF BibTeX XML Cite \textit{Z. E. A. Guennoun}, Ann. Sci. Math. Qué. 15, No. 2, 153--163 (1991; Zbl 0752.34028) Full Text: Link OpenURL
Darkhosh, Teymour Hyperbolicity of invariant wave equations. (English) Zbl 0773.35057 J. Math. Phys. 32, No. 12, 3285-3287 (1991). MSC: 35Q40 35L05 81T99 PDF BibTeX XML Cite \textit{T. Darkhosh}, J. Math. Phys. 32, No. 12, 3285--3287 (1991; Zbl 0773.35057) Full Text: DOI OpenURL
Goebel, Manfred; Raitums, Uldis The Pontryagin minimum principle for a strongly nonlinear two point boundary value problem. (English) Zbl 0754.49014 Control Cybern. 20, No. 2, 7-21 (1991). Reviewer: S.Shih (Tianjin) MSC: 49K15 34H05 93C15 PDF BibTeX XML Cite \textit{M. Goebel} and \textit{U. Raitums}, Control Cybern. 20, No. 2, 7--21 (1991; Zbl 0754.49014) OpenURL
El-Mikkawy, M. E. A. A better approach for the derivation of the embedded Runge-Kutta- Nyström pair of orders 6 and 4. (English) Zbl 0744.65049 Int. J. Comput. Math. 40, No. 3-4, 245-249 (1991). Reviewer: E.Hairer (Genève) MSC: 65L06 65L05 34A34 PDF BibTeX XML Cite \textit{M. E. A. El-Mikkawy}, Int. J. Comput. Math. 40, No. 3--4, 245--249 (1991; Zbl 0744.65049) Full Text: DOI OpenURL
Dalík, Josef A Petrov-Galerkin approximation of convection-diffusion and reaction- diffusion problems. (English) Zbl 0748.65061 Appl. Math., Praha 36, No. 5, 329-354 (1991). Reviewer: K.Najzar (Praha) MSC: 65L10 65L60 65N30 35J25 34B05 34E15 PDF BibTeX XML Cite \textit{J. Dalík}, Appl. Math., Praha 36, No. 5, 329--354 (1991; Zbl 0748.65061) Full Text: EuDML OpenURL
Klibanov, Michael V.; Santosa, Fadil A computational quasi-reversibility method for Cauchy problems for Laplace’s equation. (English) Zbl 0769.35005 SIAM J. Appl. Math. 51, No. 6, 1653-1675 (1991). MSC: 65M99 65N99 35R25 35J05 35R30 65N12 PDF BibTeX XML Cite \textit{M. V. Klibanov} and \textit{F. Santosa}, SIAM J. Appl. Math. 51, No. 6, 1653--1675 (1991; Zbl 0769.35005) Full Text: DOI OpenURL
Hooker, John W.; Patula, William T. Generalized second order linear differential equations. (English) Zbl 0746.34025 Rad. Mat. 7, No. 2, 253-271 (1991). Reviewer: O.Došlý (Brno) MSC: 34C10 39A10 34A30 PDF BibTeX XML Cite \textit{J. W. Hooker} and \textit{W. T. Patula}, Rad. Mat. 7, No. 2, 253--271 (1991; Zbl 0746.34025) OpenURL
Sagan, Hans; Bishir, John W. Optimal allocation of storage space. (English) Zbl 0739.90011 Eur. J. Oper. Res. 55, No. 1, 82-90 (1991). MSC: 90B05 PDF BibTeX XML Cite \textit{H. Sagan} and \textit{J. W. Bishir}, Eur. J. Oper. Res. 55, No. 1, 82--90 (1991; Zbl 0739.90011) Full Text: DOI OpenURL
Chen, Shaozhu Asymptotic integration of the principal solution of a second-order differential equation. (English) Zbl 0745.34056 Bull. Lond. Math. Soc. 23, No. 5, 457-464 (1991). Reviewer: I.Ginchev (Varna) MSC: 34E10 34A30 34C10 PDF BibTeX XML Cite \textit{S. Chen}, Bull. Lond. Math. Soc. 23, No. 5, 457--464 (1991; Zbl 0745.34056) Full Text: DOI OpenURL
Mahomed, F. M.; Leach, P. G. L. Contact symmetry algebras of scalar second-order ordinary differential equations. (English) Zbl 0738.34008 J. Math. Phys. 32, No. 8, 2051-2055 (1991). MSC: 34A25 17B66 37C80 PDF BibTeX XML Cite \textit{F. M. Mahomed} and \textit{P. G. L. Leach}, J. Math. Phys. 32, No. 8, 2051--2055 (1991; Zbl 0738.34008) Full Text: DOI OpenURL
Prilepko, A. I.; Orlovskij, D. G. Determination of the evolution of a parameter in an abstract parabolic equation. (English. Russian original) Zbl 0766.35080 Differ. Equations 27, No. 1, 91-96 (1991); translation from Differ. Uravn. 27, No. 1, 114-120 (1991). Reviewer: P.Stefanov (Sofia) MSC: 35R30 34G10 35K20 PDF BibTeX XML Cite \textit{A. I. Prilepko} and \textit{D. G. Orlovskij}, Differ. Equations 27, No. 1, 91--96 (1991; Zbl 0766.35080); translation from Differ. Uravn. 27, No. 1, 114--120 (1991) OpenURL
Zhang, Zunguo On a criterion of oscillation of the solution of an unstable second order differential equation of neutral type. (Chinese. English summary) Zbl 0738.34037 J. Ocean Univ. Qingdao 21, No. 1, 127-130 (1991). MSC: 34K99 34C10 34K40 PDF BibTeX XML Cite \textit{Z. Zhang}, J. Ocean Univ. Qingdao 21, No. 1, 127--130 (1991; Zbl 0738.34037) OpenURL
Muravej, L. A.; Filinovskij, A. V. On a problem with nonlocal boundary condition for a parabolic equation. (Russian. Russian original) Zbl 0765.35022 Mat. Sb. 182, No. 10, 1479-1512 (1991). Reviewer: I.Sh.Mogilevskij (Ferrara) MSC: 35K20 35B37 49J20 PDF BibTeX XML Cite \textit{L. A. Muravej} and \textit{A. V. Filinovskij}, Mat. Sb. 182, No. 10, 1479--1512 (1991; Zbl 0765.35022) Full Text: EuDML OpenURL
Brykalov, S. A. Solvability of a nonlinear boundary-value problem in a fixed set of functions. (English. Russian original) Zbl 0788.34070 Differ. Equations 27, No. 12, 1415-1420 (1991); translation from Differ. Uravn. 27, No. 12, 2027-2033 (1991). MSC: 34K10 34B15 PDF BibTeX XML Cite \textit{S. A. Brykalov}, Differ. Equations 27, No. 12, 1415--1420 (1991; Zbl 0788.34070); translation from Differ. Uravn. 27, No. 12, 2027--2033 (1991) OpenURL
Adžić, N. On the spectral approximation for singularly perturbed problems. (English) Zbl 0735.65051 Z. Angew. Math. Mech. 71, No. 6, T773-T776 (1991). MSC: 65L10 65L60 65L70 34B05 34E15 PDF BibTeX XML Cite \textit{N. Adžić}, Z. Angew. Math. Mech. 71, No. 6, T773--T776 (1991; Zbl 0735.65051) OpenURL
Khajeh-Khalili, P.; Mehri, B. A note on periodic solutions of certain second-order nonlinear differential equations. (English) Zbl 0747.34025 Z. Angew. Math. Mech. 71, No. 6, T762-T765 (1991). Reviewer: C.D.Chirila (Iaşi) MSC: 34C25 34A34 PDF BibTeX XML Cite \textit{P. Khajeh-Khalili} and \textit{B. Mehri}, Z. Angew. Math. Mech. 71, No. 6, T762--T765 (1991; Zbl 0747.34025) OpenURL
Pachpatte, B. G. A note on Rellich type inequality. (English) Zbl 0763.26010 Libertas Math. 11, 105-115 (1991). Reviewer: Yang En-Hao (Guangzhou) MSC: 26D10 35J10 35J15 PDF BibTeX XML Cite \textit{B. G. Pachpatte}, Libertas Math. 11, 105--115 (1991; Zbl 0763.26010) OpenURL