Tchamitchian, Ph. About wavelets and elliptic operators. (English) Zbl 0850.47012 Wavelets. Time-frequency methods and phase space, Proc. Int. Conf., Marseille/Fr. 1987, 263-268 (1989). MSC: 47F05 42C40 35J15 PDFBibTeX XML
Sanekata, Nobuhiro Abstract quasi-linear equations of evolution in nonreflexive Banach spaces. (English) Zbl 0736.47025 Hiroshima Math. J. 19, No. 1, 109-139 (1989). Reviewer: M. Šilhavý (Praha) MSC: 47G10 47F05 35A05 PDFBibTeX XMLCite \textit{N. Sanekata}, Hiroshima Math. J. 19, No. 1, 109--139 (1989; Zbl 0736.47025)
Gejdarov, A. G. Self-adjointness of a class of elliptic high-order operators with a singular potential. (Russian) Zbl 0825.35041 Spektr. Teor. Oper. Prilozh. 9, 77-90 (1989). MSC: 35J30 47F05 PDFBibTeX XMLCite \textit{A. G. Gejdarov}, Spektr. Teor. Oper. Prilozh. 9, 77--90 (1989; Zbl 0825.35041)
Nakagami, Keiko Integration and differentiation of \(\delta\)-function. VI. (English) Zbl 0812.46029 Math. Jap. 34, No. 2, 235-251 (1989). MSC: 46F10 47F05 35K10 PDFBibTeX XMLCite \textit{K. Nakagami}, Math. Japon. 34, No. 2, 235--251 (1989; Zbl 0812.46029)
Salmanov, K. A. Eigenfunction expansions of elliptic operators with the eigenvalue parameter in boundary conditions. (Russian) Zbl 0754.35096 Linear operators and their applications, Themat. Collect. Sci. Works, Baku, 71-75 (1989). Reviewer: B.G.Konopelchenko (Novosibirsk) MSC: 35P10 35J25 47F05 PDFBibTeX XMLCite \textit{K. A. Salmanov}, in: Linejnye operatory i ikh prilozheniya. Tematicheskij sbornik nauchnykh trudov. Baku: Izdatel'stvo Azerbajdzhanskogo Universiteta. 71--75 (1989; Zbl 0754.35096)
Mirzoev, G. G. On completeness of the system of eigenfunctions of the two-parameter spectral problem with operators of the Dirichlet problem in the principal part. (Russian) Zbl 0754.35095 Linear operators and their applications, Themat. Collect. Sci. Works, Baku, 50-54 (1989). Reviewer: B.G.Konopelchenko (Novosibirsk) MSC: 35P10 47F05 PDFBibTeX XMLCite \textit{G. G. Mirzoev}, in: Linejnye operatory i ikh prilozheniya. Tematicheskij sbornik nauchnykh trudov. Baku: Izdatel'stvo Azerbajdzhanskogo Universiteta. 50--54 (1989; Zbl 0754.35095)
Kokovikhina, O. V. On an approximate method for solution of the problem on eigenvalues of the wave operator in axially symmetric domains of complicated form. (Russian) Zbl 0801.47034 Sidorov, A. F. (ed.), Numerical and analytical methods of modelling in continuum mechanics. Collection of scientific works. Sverdlovsk: Ural’skoe Otdelenie AN SSSR, 26-30 (1989). MSC: 47F05 65M60 35J05 PDFBibTeX XMLCite \textit{O. V. Kokovikhina}, in: Chislennye i analiticheskie metody modelirovaniya v mekhanike sploshnoj sredy. Sbornik nauchnykh trudov. Sverdlovsk: Ural'skoe Otdelenie AN SSSR. 26--30 (1989; Zbl 0801.47034)
Rudakov, I. A. The equation of convolution in the Gevrey spaces. (Russian) Zbl 0817.47068 Yulmukhametov, R. S. (ed.), Studies in approximation theory. Collection of articles. Ufa: Institut Matematiki BNTs AN SSSR, 114-122 (1989). Reviewer: V.Marić (Novi Sad) MSC: 47F05 46F10 PDFBibTeX XMLCite \textit{I. A. Rudakov}, in: Issledovaniya po teorii priblizhenij. Sbornik statej. Ufa: Institut Matematiki BNTs AN SSSR. 114--122 (1989; Zbl 0817.47068)
Korobejnik, Yu. F.; Mikhajlov, A. B. Representing systems in Cartesian products. (Russian) Zbl 0846.47037 Yulmukhametov, R. S. (ed.), Studies in approximation theory. Collection of articles. Ufa: Institut Matematiki BNTs AN SSSR, 50-62 (1989). MSC: 47F05 46A35 PDFBibTeX XMLCite \textit{Yu. F. Korobejnik} and \textit{A. B. Mikhajlov}, in: Issledovaniya po teorii priblizhenij. Sbornik statej. Ufa: Institut Matematiki BNTs AN SSSR. 50--62 (1989; Zbl 0846.47037)
Satybaldiev, O. S. On completeness of the system of root subspaces of a higher order non- selfadjoint operator of the Schrödinger type. (Russian) Zbl 0792.47019 Gol’tser, Ya. M. (ed.), Studies on differential equations and their applications. Alma-Ata: Kazakhskij Pedagogicheskij Institut Im. Abaya, 22-26 (1989). MSC: 47A70 47B25 47F05 PDFBibTeX XMLCite \textit{O. S. Satybaldiev}, in: Исследования по дифференциальным уравнениям и их приложения. Alma-Ata: Kazakhskij Pedagogicheskij Institut Im. Abaya. 22--26 (1989; Zbl 0792.47019)
Spies, Jakob Über den Kričever-Funktor in der Theorie der algebraischen Kurven. (On the Krichever functor in the theory of algebraic curves). (German) Zbl 0719.14019 Berlin: Humboldt-Univ., Math.-Naturwiss. Fak., Diss. 98 S. (1989). MSC: 14H42 14H40 14F10 47F05 47G30 14K25 35Q99 PDFBibTeX XMLCite \textit{J. Spies}, Über den Kričever-Funktor in der Theorie der algebraischen Kurven. (On the Krichever functor in the theory of algebraic curves). Berlin: Humboldt-Univ., Math.-Naturwiss. Fak. (1989; Zbl 0719.14019)
Babin, A. V. Iterations of differential operators. Transl. from the Russian by H. Zahavi. (English) Zbl 0758.35014 New York etc.: Gordon & Breach Science Publishers. xiii, 470 p. (1989). MSC: 35B65 35-02 47-02 47F05 30E25 35Cxx PDFBibTeX XMLCite \textit{A. V. Babin}, Iterations of differential operators. Transl. from the Russian by H. Zahavi. New York etc.: Gordon \&| Breach Science Publishers (1989; Zbl 0758.35014)
Michel, Joachim Der Neumannoperator auf streng pseudokonkaven Gebieten und andere Anwendungen der Integralformelmethode. (The Neumann operator on strongly pseudoconcave domains and other applications of the integral formula method). (German) Zbl 0734.47026 Bonn: Univ. Bonn. Habil.-Schr. 146 S. (1989). MSC: 47F05 PDFBibTeX XMLCite \textit{J. Michel}, Der Neumannoperator auf streng pseudokonkaven Gebieten und andere Anwendungen der Integralformelmethode. (The Neumann operator on strongly pseudoconcave domains and other applications of the integral formula method). Bonn: Univ. Bonn (1989; Zbl 0734.47026)
Ibrahim, Ibrahim Der Hermite’sche Differentialoperator auf dem \(R_ 2\) und angepaßte Funktionenräume vom Typ \(W^ s_{p,H}\) und \(B^ s_{p,q,H}\). (Hermite’s differential operator on \(R_ 2\) and adapted function spaces of type \(W^ s_{p,H}\) and \(B^ s_{p,q,H})\). (German) Zbl 0697.47060 Jena: Univ., Diss. A. 97 S. (1989). MSC: 47F05 46E35 47E05 PDFBibTeX XMLCite \textit{I. Ibrahim}, Der Hermite'sche Differentialoperator auf dem \(R_ 2\) und angepaßte Funktionenräume vom Typ \(W^ s_{p,H}\) und \(B^ s_{p,q,H}\). (Hermite's differential operator on \(R_ 2\) and adapted function spaces of type \(W^ s_{p,H}\) and \(B^ s_{p,q,H})\). Jena: Univ. (1989; Zbl 0697.47060)
Luca, Rodica Observations on a Hamilton-Jacobi equation. (English) Zbl 0743.47045 Bul. Inst. Politeh. Iași, Secț. I 35(39), No. 3-4, 45-50 (1989). MSC: 47H20 35R15 70H20 47E05 47H04 47F05 PDFBibTeX XMLCite \textit{R. Luca}, Bul. Inst. Politeh. Iași, Secț. I 35(39), No. 3--4, 45--50 (1989; Zbl 0743.47045)
Hieber, Matthias Integrated semigroups and differential operators on \(L^ p({\mathbb{R}}^ n)\). (English) Zbl 0697.47038 Tübingen: Univ. Tübingen, Thesis. 87 p. (1989). MSC: 47D03 47F05 46E30 PDFBibTeX XMLCite \textit{M. Hieber}, Integrated semigroups and differential operators on \(L^ p({\mathbb{R}}^ n)\). Tübingen: Univ. Tübingen (1989; Zbl 0697.47038)
Stolz, Günter Generalized eigenfunction expansions of Schrödinger operators. (Entwicklung nach verallgemeinerten Eigenfunktionen von Schrödingeroperatoren.) (German) Zbl 0697.47017 Frankfurt a. M.: Univ., FB Math., Diss. 67 S. (1989). Reviewer: Michael Demuth (Goslar) MSC: 47A70 35J10 47F05 47A10 PDFBibTeX XMLCite \textit{G. Stolz}, Entwicklung nach verallgemeinerten Eigenfunktionen von Schrödingeroperatoren. Frankfurt a. M.: Univ., FB Math. (1989; Zbl 0697.47017)
Steinig, Bernhard Remarks on the essential maximality of linear partial differential operators. (English) Zbl 0699.47033 Berlin: FU Berlin, Diss. 73 S. (1989). Reviewer: P.A.McCoy MSC: 47F05 47B25 PDFBibTeX XMLCite \textit{B. Steinig}, Remarks on the essential maximality of linear partial differential operators. Berlin: FU Berlin (1989; Zbl 0699.47033)
Minkin, A. M.; Shuster, L. A. On the spectral theory of operators of Schrödinger type. (Russian) Zbl 0780.35069 Izv. Akad. Nauk. Kaz. SSR, Ser. Fiz.-Mat. 1989, No. 5(150), 16-19 (1989). MSC: 35P05 35J10 47F05 PDFBibTeX XMLCite \textit{A. M. Minkin} and \textit{L. A. Shuster}, Izv. Akad. Nauk Kaz. SSR, Ser. Fiz.-Mat. 1989, No. 5(150), 16--19 (1989; Zbl 0780.35069)
Ono, Akira Theory of the \({\mathcal L}^{(p,\lambda{})}\) spaces of strong type and its applications to elliptic partial differential equations. (English) Zbl 0741.46011 Math. Rep. Coll. Gen. Educ., Kyushu Univ. 17, No. 1, 39-55 (1989). MSC: 46E35 35R25 47F05 PDFBibTeX XMLCite \textit{A. Ono}, Math. Rep. Coll. Gen. Educ., Kyushu Univ. 17, No. 1, 39--55 (1989; Zbl 0741.46011)
Edmunds, D. E.; Evans, W. D. Spectral theory and differential operators. Paperback ed. (English) Zbl 0664.47014 Oxford Mathematical Monographs. Oxford: Clarendon Press. xvi, 574 p. £25.00 (1989). MSC: 47B25 47-02 47F05 47E05 46E35 47A53 47B40 47B10 47A10 PDFBibTeX XMLCite \textit{D. E. Edmunds} and \textit{W. D. Evans}, Spectral theory and differential operators. Paperback ed. Oxford: Clarendon Press (1989; Zbl 0664.47014)
Vasil’ev, V. A. Lacunary spaces of hyperbolic partial differential operators and the theory of singularities. (Russian) Zbl 0769.47016 Operator theory in function spaces, Rev. Lect. 13th All-Union Sch., Kujbyshev/USSR 1988, 30-43 (1989). Reviewer: G.Il’yushina (Moskva) MSC: 47F05 58J45 35L67 32S30 PDFBibTeX XML
Kesavan, S. Topics in functional analysis and applications. (English) Zbl 0666.46001 New York etc.: John Wiley & Sons, Inc.; New Delhi: Wiley Eastern Limited. xii, 267 p. $ 39.50; £18.40 (1989). Reviewer: J.Lorenz MSC: 46-01 47-01 46E35 47F05 47D03 35-01 46F10 35A15 35K05 35L05 47J05 35J20 PDFBibTeX XMLCite \textit{S. Kesavan}, Topics in functional analysis and applications. New York etc.: John Wiley \&| Sons, Inc.; New Delhi: Wiley Eastern Limited (1989; Zbl 0666.46001)
Fedik, Mikhajl N. Perturbation of Schrödinger operator generated by a sesquilinear form. (English) Zbl 0729.47046 Schrödinger operators, standard and non-standard, Proc. Conf., Dubna/USSR 1988, 381-382 (1989). MSC: 47F05 47A55 47A70 35J10 PDFBibTeX XML
Il’yazova, D. Z. Generalized resolvents and positive spectral functions for an infinite- dimensional analog of Krejn-Feller’s differentiation operator. (Russian) Zbl 0729.47021 Funkts. Anal. 29, 62-67 (1989). Reviewer: N.L.Vasilevskij (Odessa) MSC: 47B25 47B38 47F05 PDFBibTeX XMLCite \textit{D. Z. Il'yazova}, Funkts. Anal. 29, 62--67 (1989; Zbl 0729.47021)
Herczyński, Jan On Schrödinger operators with distributional potentials. (English) Zbl 0728.35026 J. Oper. Theory 21, No. 2, 273-295 (1989). Reviewer: P.A.McCoy (Annapolis) MSC: 35J10 35P25 47F05 PDFBibTeX XMLCite \textit{J. Herczyński}, J. Oper. Theory 21, No. 2, 273--295 (1989; Zbl 0728.35026)
Rofe-Beketov, F. S. A remark in connection with a multidimensional generalization of H.Weyl’s theorem on self-adjointness. (Russian) Zbl 0726.47034 Teor. Funkts., Funkts. Anal. Prilozh. 52, 88-90 (1989). Reviewer: L.P.Lebedev (Rostov-na-Donu) MSC: 47F05 47B25 35J15 PDFBibTeX XMLCite \textit{F. S. Rofe-Beketov}, Teor. Funkts. Funkts. Anal. Prilozh. 52, 88--90 (1989; Zbl 0726.47034)
Márkus, L. The mean’s consistent estimation, in the case of random processes, satisfying partial differential equations. (English) Zbl 0724.62086 Stability problems for stochastic models, Proc. 11th Int. Semin., Sukhumi/USSR 1987, Lect. Notes Math. 1412, 183-193 (1989). Reviewer: B.Goldys (Kensington) MSC: 62M09 62M40 47F05 PDFBibTeX XML
Ivochkina, N. M. Description of the algebraic structure of second-order differential operators that can be represented in divergence form. (English. Russian original) Zbl 0722.47040 J. Sov. Math. 45, No. 3, 1117-1129 (1989); translation from Probl. Mat. Anal. 10, 16-32 (1986). MSC: 47F05 PDFBibTeX XMLCite \textit{N. M. Ivochkina}, J. Sov. Math. 45, No. 3, 1117--1129 (1989; Zbl 0722.47040); translation from Probl. Mat. Anal. 10, 16--32 (1986) Full Text: DOI
Rozenblyum, G. V. Angular asymptotics of the spectra of operators, close to normal ones. (English. Russian original) Zbl 0722.47007 J. Sov. Math. 45, No. 3, 1250-1261 (1989); translation from Probl. Mat. Anal. 10, 180-195 (1986). MSC: 47A10 47F05 47G30 35J99 35P20 PDFBibTeX XMLCite \textit{G. V. Rozenblyum}, J. Sov. Math. 45, No. 3, 1250--1261 (1989; Zbl 0722.47007); translation from Probl. Mat. Anal. 10, 180--195 (1986) Full Text: DOI
Saiti, Naim I. A note on Dirac operators. (English) Zbl 0719.47032 Mat. Vesn. 41, No. 4, 259-261 (1989). MSC: 47F05 47B25 PDFBibTeX XMLCite \textit{N. I. Saiti}, Mat. Vesn. 41, No. 4, 259--261 (1989; Zbl 0719.47032)
Bennett, Donna Marie An extension of Rellich’s inequality. (English) Zbl 0719.47030 Proc. Am. Math. Soc. 106, No. 4, 987-993 (1989). MSC: 47F05 35J10 35P15 26D10 47B25 PDFBibTeX XMLCite \textit{D. M. Bennett}, Proc. Am. Math. Soc. 106, No. 4, 987--993 (1989; Zbl 0719.47030) Full Text: DOI
Spies, Jakob Über den Kričever-Funktor in der Theorie der algebraischen Kurven. (On the Krichever functor in the theory of algebraic curves). (German) Zbl 0719.14018 Seminarber., Humboldt-Univ. Berlin, Sekt. Math. 103, 98 p. (1989). Reviewer: J.Spies MSC: 14H42 14F10 14H40 47G30 47F05 35Q99 14K25 PDFBibTeX XMLCite \textit{J. Spies}, Seminarber., Humboldt-Univ. Berlin, Sekt. Math. 103, 98 p. (1989; Zbl 0719.14018)
Gérard, Christian Théorie des résonances pour des opérateurs de Schrödinger périodiques. (Theory of resonances for periodic Schrödinger operators). (French) Zbl 0715.47005 Sémin. Théor. Spectrale Géom. 7, Année 1988-1989, 25-30 (1989). MSC: 47A10 47F05 47A40 35J05 PDFBibTeX XML Full Text: EuDML
Vajnberg, B. R. Asymptotic expansion of the spectral function of elliptic operators in \({\mathbb{R}}^ n\). (English. Russian original) Zbl 0713.47046 J. Sov. Math. 47, No. 3, 2537-2546 (1989); translation from Tr. Semin. Im. I. G. Petrovskogo 12, 75-87 (1987). MSC: 47F05 47A10 58J50 PDFBibTeX XMLCite \textit{B. R. Vajnberg}, J. Sov. Math. 47, No. 3, 2537--2546 (1989; Zbl 0713.47046); translation from Tr. Semin. Im. I. G. Petrovskogo 12, 75--87 (1987) Full Text: DOI
Berkovits, Juha; Mustonen, Vesa Some results on mappings of monotone type. (English) Zbl 0712.47048 Differential equations and applications, Proc. Int. Conf., Columbus/OH (USA) 1988, Vol. I, 61-68 (1989). MSC: 47H05 47F05 47J05 PDFBibTeX XML
Zaretskaya, M. A. Spectrum of quadratic operators different from normal. (English. Russian original) Zbl 0712.47041 Sov. Math. 33, No. 11, 28-35 (1989); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 11(330), 24-30 (1989). MSC: 47F05 47B80 PDFBibTeX XMLCite \textit{M. A. Zaretskaya}, Sov. Math. 33, No. 11, 28--35 (1989; Zbl 0712.47041); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 11(330), 24--30 (1989)
Lei, Peng; Yang, Mingzhu; Yie, Jianjun Spectral analysis of a class of abstract kinetic operators. (English) Zbl 0712.47005 Sci. China, Ser. A 32, No. 10, 1174-1185 (1989). MSC: 47A10 47F05 82C70 PDFBibTeX XMLCite \textit{P. Lei} et al., Sci. China, Ser. A 32, No. 10, 1174--1185 (1989; Zbl 0712.47005)
Firsova, N. E.; Sherstyuk, A. I. Some properties of generalized spectral problems associated with the Schrödinger equation. (English. Russian original) Zbl 0711.47017 Theor. Math. Phys. 81, No. 1, 1053-1060 (1989); translation from Teor. Mat. Fiz. 81, No. 1, 59-68 (1989). MSC: 47A70 35J10 47F05 81Q05 PDFBibTeX XMLCite \textit{N. E. Firsova} and \textit{A. I. Sherstyuk}, Theor. Math. Phys. 81, No. 1, 1053--1060 (1989; Zbl 0711.47017); translation from Teor. Mat. Fiz. 81, No. 1, 59--68 (1989) Full Text: DOI
Miroshin, N. A. On the maximal space of Vekua and spaces close to it. (English. Russian original) Zbl 0711.46024 Proc. Steklov Inst. Math. 181, 205-218 (1989); translation from Tr. Mat. Inst. Steklova 181, 187-199 (1988). MSC: 46E30 47F05 47G10 PDFBibTeX XMLCite \textit{N. A. Miroshin}, Proc. Steklov Inst. Math. 181, 205--218 (1989; Zbl 0711.46024); translation from Tr. Mat. Inst. Steklova 181, 187--199 (1988)
Majstrenko, Yu. L. Invariance of noncompact iterated sequences under perturbations of certain nonlinear operators. (English. Russian original) Zbl 0709.47057 Ukr. Math. J. 41, No. 7, 779-784 (1989); translation from Ukr. Mat. Zh. 41, No. 7, 911-917 (1989). MSC: 47J25 35L70 47F05 47A55 PDFBibTeX XMLCite \textit{Yu. L. Majstrenko}, Ukr. Math. J. 41, No. 7, 779--784 (1989; Zbl 0709.47057); translation from Ukr. Mat. Zh. 41, No. 7, 911--917 (1989) Full Text: DOI
Kovalenko, V. F.; Semenov, Yu. A. Towards the theory of Schrödinger semigroups. I. (English. Russian original) Zbl 0709.47043 Ukr. Math. J. 41, No. 2, 246-249 (1989); translation from Ukr. Mat. Zh. 41, No. 2, 273-278 (1989). MSC: 47D06 81Q10 47F05 35J10 PDFBibTeX XMLCite \textit{V. F. Kovalenko} and \textit{Yu. A. Semenov}, Ukr. Math. J. 41, No. 2, 246--249 (1989; Zbl 0709.47043); translation from Ukr. Mat. Zh. 41, No. 2, 273--278 (1989) Full Text: DOI
Negrin, E. R. An operational calculus with respect to the Kontorovich-Lebedev transform. (Spanish) Zbl 0709.46019 Differential equations and applications, Proc. 11th Congr., CEDYA, Appl. Math., Fuengirola (Málaga)/Spain 1989, 389-393 (1989). MSC: 46F10 46F12 47E05 47F05 PDFBibTeX XML
Mokhtar-Kharroubi, M. Quelques remarques sur les valeurs propres complexes de l’opérateur de transport des neutrons. (Some remarks on complex eigenvalues of the neutron transport operator). (French) Zbl 0707.47034 Publ. Math. Fac. Sci. Besançon, Anal. Non Linéaire 1988/89, No. 11, 105-136 (1989). Reviewer: R.C.Gilbert MSC: 47F05 47A10 35P15 47A40 PDFBibTeX XML
Guidetti, Davide On certain semigroups of linear operators and generalized Cauchy problem. (English) Zbl 0707.47029 Osaka J. Math. 26, No. 1, 89-118 (1989). Reviewer: J.C.Nosmas MSC: 47D06 35K70 47F05 PDFBibTeX XMLCite \textit{D. Guidetti}, Osaka J. Math. 26, No. 1, 89--118 (1989; Zbl 0707.47029)
Wang, Haiyan; Yang, Mingzhu; Wang, Wenwei On the spectrum of a spherical symmetric transport operator with generalized boundary conditions. (Chinese. English summary) Zbl 0705.47057 J. Southeast Univ. 19, No. 5, 9-17 (1989). MSC: 47N55 47F05 82C70 47A10 PDFBibTeX XMLCite \textit{H. Wang} et al., J. Southeast Univ. 19, No. 5, 9--17 (1989; Zbl 0705.47057)
Karpushkin, V. N. Topology of the zeros of eigenfunctions. (English. Russian original) Zbl 0705.47042 Funct. Anal. Appl. 23, No. 3, 218-220 (1989); translation from Funkts. Anal. Prilozh. 23, No. 3, 59-60 (1989). MSC: 47F05 47A10 PDFBibTeX XMLCite \textit{V. N. Karpushkin}, Funct. Anal. Appl. 23, No. 3, 218--220 (1989; Zbl 0705.47042); translation from Funkts. Anal. Prilozh. 23, No. 3, 59--60 (1989) Full Text: DOI
Oshima, Toshio; Saburi, Yutaka; Wakayama, Masato A note on Ehrenpreis’ fundamental principle on a symmetric space. (English) Zbl 0705.47040 Algebraic analysis, Pap. Dedicated to Prof. Mikio Sato on the Occas. of his Sixtieth Birthday, Vol. 2, 681-698 (1989). Reviewer: A.K.Guts MSC: 47F05 53C35 PDFBibTeX XML
Araki, Huzihiro Selfadjointness and positivity of a certain partial differential operator associated with the Kerr metric in general relativity. (English) Zbl 0705.47039 Lett. Math. Phys. 18, No. 4, 355-363 (1989). Reviewer: R.C.Gilbert MSC: 47F05 34B24 81Q05 47B25 PDFBibTeX XMLCite \textit{H. Araki}, Lett. Math. Phys. 18, No. 4, 355--363 (1989; Zbl 0705.47039) Full Text: DOI
Di Blasio, Gabriella Characterization of interpolation spaces and regularity properties for holomorphic semigroups. (English) Zbl 0704.47032 Semigroup Forum 38, No. 2, 179-187 (1989). Reviewer: K.N.Boyadzhiev MSC: 47D06 47F05 46B70 46E35 46M35 PDFBibTeX XMLCite \textit{G. Di Blasio}, Semigroup Forum 38, No. 2, 179--187 (1989; Zbl 0704.47032) Full Text: DOI EuDML
Lanckau, Eberhard Bergman-Vekua-Operatoren für dreidimensionale Probleme. (Bergman-Vekua operators for threedimensional problems). (German) Zbl 0702.47030 Wiss. Schriftenr. Tech. Univ. Karl-Marx-Stadt 21, 78 p. (1989). Reviewer: S.F.Sburlan MSC: 47F05 47G10 45E05 35J25 30D10 PDFBibTeX XML
Karpushkin, V. N. On the topology of zeros of eigenfunctions. (Russian) Zbl 0701.47030 Funkts. Anal. Prilozh. 23, No. 3, 59-60 (1989). Reviewer: V.F.Ignatenko MSC: 47F05 47A10 51E15 PDFBibTeX XMLCite \textit{V. N. Karpushkin}, Funkts. Anal. Prilozh. 23, No. 3, 59--60 (1989; Zbl 0701.47030)
Sobolevskij, P. E. Imbedding theorems for elliptic and parabolic operators in C. (English. Russian original) Zbl 0701.46017 Sov. Math., Dokl. 38, No. 2, 262-265 (1989); translation from Dokl. Akad. Nauk SSSR 302, No. 1, 34-37 (1988). Reviewer: V.V.Kovrizkin MSC: 46E35 35J30 35K25 47F05 PDFBibTeX XMLCite \textit{P. E. Sobolevskij}, Sov. Math., Dokl. 38, No. 2, 262--265 (1989; Zbl 0701.46017); translation from Dokl. Akad. Nauk SSSR 302, No. 1, 34--37 (1988)
Zaretskaya, M. A. On the spectrum of quadratic operators different from normal ones. (Russian) Zbl 0699.47035 Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 11(330), 24-30 (1989). Reviewer: K.Seddighi MSC: 47F05 47A10 PDFBibTeX XMLCite \textit{M. A. Zaretskaya}, Izv. Vyssh. Uchebn. Zaved., Mat. 1989, No. 11(330), 24--30 (1989; Zbl 0699.47035)
Livsic, M. S.; Avishai, Y. A study of solitonic combinations based on the theory of commuting non- self-adjoint operators. (English) Zbl 0697.47058 Linear Algebra Appl. 122-124, 357-414 (1989). Reviewer: L.A.Sakhnovich MSC: 47F05 47B47 PDFBibTeX XML Full Text: DOI
Feller, M. N. Self-adjointness of a nonsymmetrized infinite-dimensional Laplace-Lévy operator. (English. Russian original) Zbl 0697.47057 Ukr. Math. J. 41, No. 7, 853-856 (1989); translation from Ukr. Mat. Zh. 41, No. 7, 997-1001 (1989). Reviewer: L.A.Sakhnovich MSC: 47F05 47B25 PDFBibTeX XMLCite \textit{M. N. Feller}, Ukr. Math. J. 41, No. 7, 853--856 (1989; Zbl 0697.47057); translation from Ukr. Mat. Zh. 41, No. 7, 997--1001 (1989) Full Text: DOI
da Prato, Guiseppe Some degenerate fully nonlinear equations. (English) Zbl 0697.47049 Semigroup theory and applications, Proc. Conf., Trieste/Italy 1987, Lect. Notes Pure Appl. Math. 116, 117-123 (1989). Reviewer: T.Dłotko MSC: 47E05 47F05 47J05 PDFBibTeX XML
Aramaki, Junichi Complex powers of vector valued operators and their application to asymptotic behavior of eigenvalues. (English) Zbl 0697.47011 J. Funct. Anal. 87, No. 2, 294-320 (1989). Reviewer: A.Torgašev MSC: 47A60 47F05 40E05 PDFBibTeX XMLCite \textit{J. Aramaki}, J. Funct. Anal. 87, No. 2, 294--320 (1989; Zbl 0697.47011) Full Text: DOI
Cohoon, D. K. On the minimal space of surjectivity question for linear transformations on vector spaces with applications to surjectivity of differential operators on locally convex spaces. (English) Zbl 0697.47008 Int. J. Math. Math. Sci. 12, No. 4, 645-664 (1989). Reviewer: L.A.Sakhnovich MSC: 47A50 47F05 PDFBibTeX XMLCite \textit{D. K. Cohoon}, Int. J. Math. Math. Sci. 12, No. 4, 645--664 (1989; Zbl 0697.47008) Full Text: DOI EuDML
Rempel, Stephan Corner singularity for transmission problems in three dimensions. (English) Zbl 0695.47046 Integral Equations Oper. Theory 12, No. 6, 835-854 (1989). MSC: 47F05 35J05 46E35 47A56 PDFBibTeX XMLCite \textit{S. Rempel}, Integral Equations Oper. Theory 12, No. 6, 835--854 (1989; Zbl 0695.47046) Full Text: DOI
Afuwape, Anthony Uyi; Omari, Pierpaolo; Zanolin, Fabio Nonlinear perturbations of differential operators with nontrivial kernel and applications to third-order periodic boundary value problems. (English) Zbl 0695.47044 J. Math. Anal. Appl. 143, No. 1, 35-56 (1989). MSC: 47E05 47F05 34C25 47A53 PDFBibTeX XMLCite \textit{A. U. Afuwape} et al., J. Math. Anal. Appl. 143, No. 1, 35--56 (1989; Zbl 0695.47044) Full Text: DOI
Hostler, Levere Foldy-Wouthuysen-type reduction of the second-order Dirac equation. (English) Zbl 0693.35140 J. Math. Phys. 30, No. 7, 1621-1630 (1989). MSC: 35Q99 81Q05 47F05 PDFBibTeX XMLCite \textit{L. Hostler}, J. Math. Phys. 30, No. 7, 1621--1630 (1989; Zbl 0693.35140) Full Text: DOI
Goldstein, Jerome A.; Svirsky, Roman On a domain characterization of Schrödinger operators with gradient magnetic vector potentials and singular potentials. (English) Zbl 0692.47024 Proc. Am. Math. Soc. 105, No. 2, 317-323 (1989). Reviewer: Bui Doan Khanh MSC: 47B15 47F05 81Q10 PDFBibTeX XMLCite \textit{J. A. Goldstein} and \textit{R. Svirsky}, Proc. Am. Math. Soc. 105, No. 2, 317--323 (1989; Zbl 0692.47024) Full Text: DOI
Baker-Jarvis, James; Racine, Michael; Alameddine, Jihad Solving differential equations by a maximum entropy-minimum norm method with applications to Fokker-Planck equations. (English) Zbl 0692.46067 J. Math. Phys. 30, No. 7, 1459-1463 (1989). MSC: 46N99 47F05 60G50 PDFBibTeX XMLCite \textit{J. Baker-Jarvis} et al., J. Math. Phys. 30, No. 7, 1459--1463 (1989; Zbl 0692.46067) Full Text: DOI
Firsova, N. E.; Sherstyuk, A. I. On some properties of generalized spectral problems associated with the Schrödinger equation. (Russian. English summary) Zbl 0691.47023 Teor. Mat. Fiz. 81, No. 1, 59-68 (1989). MSC: 47A70 35J10 47F05 81Q05 PDFBibTeX XMLCite \textit{N. E. Firsova} and \textit{A. I. Sherstyuk}, Teor. Mat. Fiz. 81, No. 1, 59--68 (1989; Zbl 0691.47023)
Kozlov, S. M. Effective diffusion in the Focker-Planck equation. (English. Russian original) Zbl 0687.47039 Math. Notes 45, No. 5, 360-368 (1989); translation from Mat. Zametki 45, No. 5, 19-31 (1989). Reviewer: S.M.Kozlov MSC: 47F05 35J99 35K99 PDFBibTeX XMLCite \textit{S. M. Kozlov}, Math. Notes 45, No. 5, 360--368 (1989; Zbl 0687.47039); translation from Mat. Zametki 45, No. 5, 19--31 (1989) Full Text: DOI
Banks, H. T.; Kappel, F. Transformation semigroups and \(L^ 1\)-approximation for size structured population models. (English) Zbl 0687.47033 Semigroup Forum 38, No. 2, 141-155 (1989). Reviewer: P.Doktor MSC: 47D03 35C15 92D25 46E30 47F05 PDFBibTeX XMLCite \textit{H. T. Banks} and \textit{F. Kappel}, Semigroup Forum 38, No. 2, 141--155 (1989; Zbl 0687.47033) Full Text: DOI EuDML
Smith, Richard A. On a hyperbolic quenching problem in several dimensions. (English) Zbl 0687.35056 SIAM J. Math. Anal. 20, No. 5, 1081-1094 (1989). Reviewer: N.Pavel MSC: 35L70 35L15 47F05 46E35 PDFBibTeX XMLCite \textit{R. A. Smith}, SIAM J. Math. Anal. 20, No. 5, 1081--1094 (1989; Zbl 0687.35056) Full Text: DOI
Balashova, O. Yu.; Znamenskij, S. V. Expanding properties of differential operators of infinite order in H(\({\mathcal D}\)). (English. Russian original) Zbl 0686.46013 Sel. Math. Sov. 8, No. 3, 189-195 (1989); translation from Multidimensional complex analysis, Work. Collect., Krasnoyarsk 1985, 27-35 (1985). MSC: 46E10 47F05 32A10 PDFBibTeX XMLCite \textit{O. Yu. Balashova} and \textit{S. V. Znamenskij}, Sel. Math. Sov. 8, No. 3, 189--195 (1989; Zbl 0686.46013); translation from Multidimensional complex analysis, Work. Collect., Krasnoyarsk 1985, 27--35 (1985)
Bourquin, Frédéric Synthèse modale d’opérateurs elliptiques du second ordre. (Component mode synthesis of second order elliptic operators). (French) Zbl 0685.47038 C. R. Acad. Sci., Paris, Sér. I 309, No. 16, 919-922 (1989). MSC: 47F05 35J15 PDFBibTeX XMLCite \textit{F. Bourquin}, C. R. Acad. Sci., Paris, Sér. I 309, No. 16, 919--922 (1989; Zbl 0685.47038)
Ditzian, Z. Multivariate Landau-Kolmogorov-type inequality. (English) Zbl 0684.46032 Math. Proc. Camb. Philos. Soc. 105, No. 2, 335-350 (1989). Reviewer: J.Musielak MSC: 46E35 46E30 47F05 PDFBibTeX XMLCite \textit{Z. Ditzian}, Math. Proc. Camb. Philos. Soc. 105, No. 2, 335--350 (1989; Zbl 0684.46032) Full Text: DOI
Varopoulos, Nicholas Th. Distances associées aux opérateurs sous-elliptiques du second ordre. (Distances associated to subelliptic operators of second order). (French) Zbl 0683.47035 C. R. Acad. Sci., Paris, Sér. I 309, No. 10, 663-667 (1989). MSC: 47F05 46E30 47B25 PDFBibTeX XMLCite \textit{N. Th. Varopoulos}, C. R. Acad. Sci., Paris, Sér. I 309, No. 10, 663--667 (1989; Zbl 0683.47035)
Bratteli, Ola; Goodman, Fred M.; Jørgensen, Palle E. T.; Robinson, Derek W. Unitary representations of Lie groups and Gårding’s inequality. (English) Zbl 0683.47029 Proc. Am. Math. Soc. 107, No. 3, 627-632 (1989). Reviewer: P.Kruszyński MSC: 47L60 47F05 22E30 47H06 47B25 PDFBibTeX XMLCite \textit{O. Bratteli} et al., Proc. Am. Math. Soc. 107, No. 3, 627--632 (1989; Zbl 0683.47029) Full Text: DOI
Kovalenko, V. F.; Semenov, Yu. A. On the \(L^ p\)-theory of Schrödinger semigroups. I. (Russian) Zbl 0683.47025 Ukr. Mat. Zh. 41, No. 2, 273-278 (1989). Reviewer: N.Angelescu MSC: 47D03 81Q10 47F05 35J10 PDFBibTeX XMLCite \textit{V. F. Kovalenko} and \textit{Yu. A. Semenov}, Ukr. Mat. Zh. 41, No. 2, 273--278 (1989; Zbl 0683.47025) Full Text: DOI
deLaubenfels, Ralph Second order incomplete expiring Cauchy problems. (English) Zbl 0683.47022 Semigroup Forum 39, No. 1, 75-84 (1989). Reviewer: C.Marinov MSC: 47D03 47F05 PDFBibTeX XMLCite \textit{R. deLaubenfels}, Semigroup Forum 39, No. 1, 75--84 (1989; Zbl 0683.47022) Full Text: DOI EuDML
Greiner, Günther Linearized stability for hyperbolic evolution equations with semilinear boundary conditions. (English) Zbl 0683.47020 Semigroup Forum 38, No. 2, 203-214 (1989). Reviewer: P.de Mottoni MSC: 47D03 47F05 PDFBibTeX XMLCite \textit{G. Greiner}, Semigroup Forum 38, No. 2, 203--214 (1989; Zbl 0683.47020) Full Text: DOI EuDML
Guo, Benyu On weak stability of discretization for operator equation. (English) Zbl 0682.65026 Sci. China, Ser. A 32, No. 8, 897-907 (1989). Reviewer: G.Merz MSC: 65J15 47J25 47F05 PDFBibTeX XMLCite \textit{B. Guo}, Sci. China, Ser. A 32, No. 8, 897--907 (1989; Zbl 0682.65026)
Van der Mee, Cornelis V. M. Representations of internal field solutions for generalized kinetic models. (English) Zbl 0682.46053 J. Math. Anal. Appl. 137, No. 2, 417-437 (1989). Reviewer: S.Sridhar MSC: 46N99 82C70 47F05 PDFBibTeX XMLCite \textit{C. V. M. Van der Mee}, J. Math. Anal. Appl. 137, No. 2, 417--437 (1989; Zbl 0682.46053) Full Text: DOI
Defranceschi, Anneliese G-convergence of cyclically monotone operators. (English) Zbl 0681.47023 Asymptotic Anal. 2, No. 1, 21-37 (1989). Reviewer: J.Appell MSC: 47H05 47F05 35A35 PDFBibTeX XMLCite \textit{A. Defranceschi}, Asymptotic Anal. 2, No. 1, 21--37 (1989; Zbl 0681.47023)
Vespri, Vincenzo Analytic semigroups generated in \(H^{-m,p}\) by elliptic variational operators and applications to linear Cauchy problems. (English) Zbl 0679.47024 Semigroups theory and applications, Proc. Conf., Trieste/Italy 1987, Lect. Notes Pure Appl. Math. 116, 419-431 (1989). Reviewer: G.di Blasio MSC: 47D03 46E35 47F05 35J35 35G10 35K25 PDFBibTeX XML
Schomburg, Bernd Bemerkungen über Tensorprodukte koerzitiver Hilbertraum-Operatoren. (Notes on tensor products of coercive Hilbert space operators). (German) Zbl 0678.47019 Forum Math. 1, No. 2, 153-166 (1989). Reviewer: V.Wrobel MSC: 47B25 47B44 46M05 47F05 PDFBibTeX XMLCite \textit{B. Schomburg}, Forum Math. 1, No. 2, 153--166 (1989; Zbl 0678.47019) Full Text: DOI EuDML
Salimov, Ya. Sh. On uniform convergence of spectral expansions in root vectors of nonselfadjoint extensions of the Laplace operator. (English. Russian original) Zbl 0678.47011 Sov. Math., Dokl. 38, No. 1, 28-30 (1989); translation from Dokl. Akad. Nauk SSSR 301, No. 1, 35-37 (1988). Reviewer: W.D.Evans MSC: 47A70 47F05 PDFBibTeX XMLCite \textit{Ya. Sh. Salimov}, Sov. Math., Dokl. 38, No. 1, 28--30 (1989; Zbl 0678.47011); translation from Dokl. Akad. Nauk SSSR 301, No. 1, 35--37 (1988)
Dereziński, Jan A new proof of the propagation theorem for N-body quantum systems. (English) Zbl 0677.47006 Commun. Math. Phys. 122, No. 2, 203-231 (1989). Reviewer: R.Alicki MSC: 47A40 46N99 81U10 47F05 PDFBibTeX XMLCite \textit{J. Dereziński}, Commun. Math. Phys. 122, No. 2, 203--231 (1989; Zbl 0677.47006) Full Text: DOI
Alama, Stanley; Deift, Percy A.; Hempel, Rainer Eigenvalue branches of the Schrödinger operator H-\(\lambda\) W in a gap of \(\sigma\) (H). (English) Zbl 0676.47032 Commun. Math. Phys. 121, No. 2, 291-321 (1989). Reviewer: R.Salvi MSC: 47F05 35J10 PDFBibTeX XMLCite \textit{S. Alama} et al., Commun. Math. Phys. 121, No. 2, 291--321 (1989; Zbl 0676.47032) Full Text: DOI
Pyatkov, S. G. Some properties of eigenfunctions of linear pencils. (English. Russian original) Zbl 0759.47013 Sib. Math. J. 30, No. 4, 587-597 (1989); translation from Sib. Mat. Zh. 30, No. 4(176), 111-124 (1989). MSC: 47A56 35P20 46E35 46M35 47A70 47F05 PDFBibTeX XMLCite \textit{S. G. Pyatkov}, Sib. Math. J. 30, No. 4, 587--597 (1989; Zbl 0759.47013); translation from Sib. Mat. Zh. 30, No. 4(176), 111--124 (1989) Full Text: DOI
Serizawa, Hisamitsu A semigroup treatment of a one-dimensional nonlinear parabolic equation. (English) Zbl 0674.47045 Proc. Am. Math. Soc. 106, No. 1, 187-192 (1989). Reviewer: S.L.Singh MSC: 47H20 47H06 47F05 PDFBibTeX XMLCite \textit{H. Serizawa}, Proc. Am. Math. Soc. 106, No. 1, 187--192 (1989; Zbl 0674.47045) Full Text: DOI
Semmler, U. Schrödinger representation in Euclidean quantum field theory. (English) Zbl 0673.46053 J. Math. Phys. 30, No. 7, 1597-1605 (1989). MSC: 46N99 81T08 81S40 47F05 35J10 PDFBibTeX XMLCite \textit{U. Semmler}, J. Math. Phys. 30, No. 7, 1597--1605 (1989; Zbl 0673.46053) Full Text: DOI
Fernández, Francisco M. On the time evolution operator for time-dependent quadratic Hamiltonians. (English) Zbl 0673.46052 J. Math. Phys. 30, No. 7, 1522-1524 (1989). MSC: 46N99 81Q05 47F05 35J10 PDFBibTeX XMLCite \textit{F. M. Fernández}, J. Math. Phys. 30, No. 7, 1522--1524 (1989; Zbl 0673.46052) Full Text: DOI
Nagel, Rainer Towards a “Matrix theory” for unbounded operator matrices. (English) Zbl 0672.47001 Math. Z. 201, No. 1, 57-68 (1989). Reviewer: L.Rodman MSC: 47A05 47L60 47F05 PDFBibTeX XMLCite \textit{R. Nagel}, Math. Z. 201, No. 1, 57--68 (1989; Zbl 0672.47001) Full Text: DOI EuDML
Lyantse, V. Eh.; Majorga, Kh. B. On the theory of the one-point boundary value problem for the Laplace operator. II. (English. Russian original) Zbl 0669.47028 Transl., Ser. 2, Am. Math. Soc. 144, 97-105 (1989); translation from Teor. Funkts., Funkts. Anal. Prilozh. 39, 87-94 (1983). MSC: 47F05 47B25 35J05 35J25 PDFBibTeX XMLCite \textit{V. Eh. Lyantse} and \textit{Kh. B. Majorga}, Transl., Ser. 2, Am. Math. Soc. 144, 97--105 (1989; Zbl 0669.47028); translation from Teor. Funkts., Funkts. Anal. Prilozh. 39, 87--94 (1983) Full Text: DOI
Lyantse, V. Eh.; Majorga, Kh. B. On the theory of the one-point boundary value problem for the Laplace operator. I. (English. Russian original) Zbl 0669.47027 Transl., Ser. 2, Am. Math. Soc. 144, 87-95 (1989); translation from Teor. Funkts., Funkts. Anal. Prilozh. 38, 84-91 (1982). MSC: 47F05 47B25 35J05 35J25 PDFBibTeX XMLCite \textit{V. Eh. Lyantse} and \textit{Kh. B. Majorga}, Transl., Ser. 2, Am. Math. Soc. 144, 87--95 (1989; Zbl 0669.47027); translation from Teor. Funkts., Funkts. Anal. Prilozh. 38, 84--91 (1982) Full Text: DOI
Turbé, N. Bloch expansion in generalized thermoelasticity. (English) Zbl 0665.73011 Int. J. Eng. Sci. 27, No. 1, 55-62 (1989). MSC: 74F05 74E05 47A70 74G30 74H25 47F05 PDFBibTeX XMLCite \textit{N. Turbé}, Int. J. Eng. Sci. 27, No. 1, 55--62 (1989; Zbl 0665.73011) Full Text: DOI
Brenner, Terence On the spectra of hypoelliptic operators in \({\mathbb{R}}^ 2\). (English) Zbl 0664.47035 J. Math. Phys. 30, No. 2, 298-301 (1989). MSC: 47F05 47A10 65H10 35J05 PDFBibTeX XMLCite \textit{T. Brenner}, J. Math. Phys. 30, No. 2, 298--301 (1989; Zbl 0664.47035) Full Text: DOI
Baker-Jarvis, James Solution to boundary value problems using the method of maximum entropy. (English) Zbl 0662.46080 J. Math. Phys. 30, No. 2, 302-306 (1989). MSC: 46N99 47E05 47F05 65M99 PDFBibTeX XMLCite \textit{J. Baker-Jarvis}, J. Math. Phys. 30, No. 2, 302--306 (1989; Zbl 0662.46080) Full Text: DOI
Lohoue, Noël Estimées de type Hardy pour l’opérateur \(\Delta +\lambda\) d’un espace symétrique de type non compact. (Hardy estimates for \(\Delta +\lambda\) on a non compact type symmetric space). (French) Zbl 0661.47043 C. R. Acad. Sci., Paris, Sér. I 308, No. 1, 11-14 (1989). MSC: 47F05 35J05 46E35 PDFBibTeX XMLCite \textit{N. Lohoue}, C. R. Acad. Sci., Paris, Sér. I 308, No. 1, 11--14 (1989; Zbl 0661.47043)
Heurteaux, Yanick Boundary Harnack inequalities for parabolic operators. (Inégalités de Harnack à la frontière pour des opérateurs paraboliques.) (French) Zbl 0661.47042 C. R. Acad. Sci., Paris, Sér. I 308, No. 13, 401-404 (1989). MSC: 47F05 35K20 PDFBibTeX XMLCite \textit{Y. Heurteaux}, C. R. Acad. Sci., Paris, Sér. I 308, No. 13, 401--404 (1989; Zbl 0661.47042)
Jensen, Arne Perturbation results for Stark effect resonances. (English) Zbl 0655.35061 J. Reine Angew. Math. 394, 168-179 (1989). Reviewer: A.Jensen MSC: 35P05 35J10 47F05 47A99 PDFBibTeX XMLCite \textit{A. Jensen}, J. Reine Angew. Math. 394, 168--179 (1989; Zbl 0655.35061) Full Text: DOI Crelle EuDML
Ahues, Mario; Carreño, Gloria; Telias, Mauricio Iterative refinement for defective subspaces of differential operators. (English) Zbl 0646.65046 Numer. Funct. Anal. Optimization 10, No. 3-4, 199-210 (1989). Reviewer: M.Ahues MSC: 65J10 65N30 47A15 47F05 35P05 65N25 PDFBibTeX XMLCite \textit{M. Ahues} et al., Numer. Funct. Anal. Optim. 10, No. 3--4, 199--210 (1989; Zbl 0646.65046) Full Text: DOI
Krendelev, S. F. New classes of elliptic operators and elliptic complexes. Their properties. (Russian) Zbl 0774.47020 Partial differential equations, Collect. Sci. Works, Novosibirsk, 117-124 (1989). MSC: 47F05 47N20 46M20 PDFBibTeX XMLCite \textit{S. F. Krendelev}, in: Differentsial'nye uravneniya s chastnymi proizvodnymi. Sbornik nauchnykh trudov. Novosibirsk: Institut Matematiki SO AN SSSR. 117--124 (1989; Zbl 0774.47020)
Vassiliev, V. A. Lacunas of hyperbolic partial differential operators and singularity theory. (English. Russian original) Zbl 0783.47065 Transl., Ser. 2, Am. Math. Soc. 153, 25-37 (1992); translation from Operator theory in function spaces, Rev. Lect. 13th All-Union Sch., Kujbyshev/USSR 1988, 30-43 (1989). MSC: 47F05 58J45 35L67 32S30 PDFBibTeX XMLCite \textit{V. A. Vassiliev}, in: Period maps connected with a versal deformation of a critical point of a function and the discriminant. . 30--43 (1989; Zbl 0783.47065); translation from Operator theory in function spaces, Rev. Lect. 13th All-Union Sch., Kujbyshev/USSR 1988, 30--43 (1989)