Oguztöreli, Mehmet Namik Eigenvalue problems for Mangeron’s polyvibrating equations. I. (English) Zbl 0325.35061 Bul. Inst. Politeh. Iași, Secț. I 17(21), No. 3-4, 61-66 (1971). MSC: 35P10 35L35 PDFBibTeX XMLCite \textit{M. N. Oguztöreli}, Bul. Inst. Politeh. Iași, Secț. I 17(21), No. 3--4, 61--66 (1971; Zbl 0325.35061)
Shenk, Norman; Thoe, Dale Eigenfunction expansions and scattering theory for perturbations of - \(\Delta\). (English) Zbl 0249.47004 J. Math. Anal. Appl. 36, 313-351 (1971). MSC: 47A40 35P10 47A70 35J10 PDFBibTeX XMLCite \textit{N. Shenk} and \textit{D. Thoe}, J. Math. Anal. Appl. 36, 313--351 (1971; Zbl 0249.47004) Full Text: DOI
Dzhalil-zade, G. A. On the completeness of the system of eigen elements and adjoint elements of the differential equation \(y^{\text{iv}}+[p_1(x)+ip_2(x)]y=\lambda [y''+q(x)y]\) on the whole line. (Über die Vollständigkeit des Systems von Eigenelementen und adjungierten Elementen der Differentialgleichung \(y^{\text{iv}}+[p_1(x)+ip_2(x)]y=\lambda [y''+q(x)y]\) auf der ganzen Achse.) (Russian) Zbl 0247.34023 Funkts. Anal. Primen., Baku, 99-104 (1971). Reviewer: M. Fedoryuk MSC: 34L10 PDFBibTeX XML
Buslaeva, M. V. Properties of S-matrix of the canonical differential operator. (Russian) Zbl 0233.34032 Vestn. Leningr. Univ. 1971, No. 1, Mat. Mekh. Astron. 1971, No. 1, 14-21 (1971). MSC: 34L20 PDFBibTeX XMLCite \textit{M. V. Buslaeva}, Vestn. Leningr. Univ., Mat. Mekh. Astron. 1971, No. 1, 14--21 (1971; Zbl 0233.34032)
Alimov, Sh. A. Expansion in eigenfunctions of Schrödinger’s operator. (Russian) Zbl 0231.35058 Differ. Uravn. 7, 286-296 (1971). MSC: 35J10 35P10 PDFBibTeX XMLCite \textit{Sh. A. Alimov}, Differ. Uravn. 7, 286--296 (1971; Zbl 0231.35058)
Khryptun, V. G. Expansion in eigenfunctions of a linear operator. (Russian) Zbl 0226.34015 Differ. Uravn. 7, 373-375 (1971). MSC: 34L10 47E05 PDFBibTeX XMLCite \textit{V. G. Khryptun}, Differ. Uravn. 7, 373--375 (1971; Zbl 0226.34015)
Moiseev, E. I. A mean-value formula for the eigenfunctions of a second-order elliptic selfadjoint operator. (English. Russian original) Zbl 0224.35071 Sov. Math., Dokl. 12, 492-493 (1971); translation from Dokl. Akad. Nauk SSSR 197, 524-525 (1971). MSC: 35P10 PDFBibTeX XMLCite \textit{E. I. Moiseev}, Sov. Math., Dokl. 12, 492--493 (1971; Zbl 0224.35071); translation from Dokl. Akad. Nauk SSSR 197, 524--525 (1971)
Semenov, B. N. Asymptotic behavior of the eigenfunctions and eigenfrequencies of a multimirror resonator. (English) Zbl 0224.35070 Semin. Math., V. A. Steklov Math. Inst., Leningrad 15(1969), 102-109 (1971). MSC: 35P10 PDFBibTeX XML
Arsen’ev, A. A. The expansion in eigenfunctions of the Schrödinger operator with a strongly singular potential. (English) Zbl 0217.41803 U.S.S.R. Comput. Math. Math. Phys. 9(1969), No. 1, 179-215 (1971). MSC: 35P10 35J10 PDFBibTeX XMLCite \textit{A. A. Arsen'ev}, U.S.S.R. Comput. Math. Math. Phys. 9, No. 1, 179--215 (1971; Zbl 0217.41803) Full Text: DOI
Govindaraju, R. V. Boundary conditions in the infinite interval and some related results. (English) Zbl 0215.43903 Trans. Am. Math. Soc. 154, 113-128 (1971). MSC: 34L10 34B99 PDFBibTeX XMLCite \textit{R. V. Govindaraju}, Trans. Am. Math. Soc. 154, 113--128 (1971; Zbl 0215.43903) Full Text: DOI
Byblik, B. M.; Fedorchenko, I. S. On eigenvalues of a second order partial difference operator with variable coefficients. (Ukrainian) Zbl 0215.17003 Dopov. Akad. Nauk Ukr. RSR, Ser. A 1971, 198-202 (1971). MSC: 35P10 35R10 39A70 PDFBibTeX XMLCite \textit{B. M. Byblik} and \textit{I. S. Fedorchenko}, Dopov. Akad. Nauk Ukr. RSR, Ser. A 1971, 198--202 (1971; Zbl 0215.17003)
Kim, Yu. Ya. On the spectrum of a differential operator connected with a mixed problem. (English) Zbl 0214.36203 Differ. Equations 3(1967), 54-56 (1971). MSC: 35P10 PDFBibTeX XMLCite \textit{Yu. Ya. Kim}, Differ. Equations 3, 54--56 (1971; Zbl 0214.36203)
Bochenek, J. On some properties of eigenvalues and eigenfunctions of certain differential equations of the fourth order. (English) Zbl 0212.45102 Ann. Pol. Math. 24, 113-119 (1971). MSC: 35P10 PDFBibTeX XMLCite \textit{J. Bochenek}, Ann. Pol. Math. 24, 113--119 (1971; Zbl 0212.45102) Full Text: DOI
Bochenek, J. On eigenvalues and eigenfunctions of an operational equation. (English) Zbl 0212.45101 Ann. Pol. Math. 24, 103-111 (1971). MSC: 35P10 PDFBibTeX XMLCite \textit{J. Bochenek}, Ann. Pol. Math. 24, 103--111 (1971; Zbl 0212.45101) Full Text: DOI
Roark, A. L. On the eigenproblem for convolution integral equations. (English) Zbl 0207.17101 Numer. Math. 17, 54-61 (1971). MSC: 65R20 45C05 45H05 44A35 PDFBibTeX XMLCite \textit{A. L. Roark}, Numer. Math. 17, 54--61 (1971; Zbl 0207.17101) Full Text: DOI EuDML