×

Found 27 Documents (Results 1–27)

On the expansion in products of special solutions of two Sturm-Liouville equations. (English. Russian original) Zbl 0718.34027

Sov. Math., Dokl. 41, No. 1, 113-117 (1990); translation from Dokl. Akad. Nauk SSSR 310, No. 4, 781-784 (1990).
MSC:  34B24
PDFBibTeX XMLCite

On inverse problems of spectral analysis for infinite Jacobi matrices in the limit-circle case. (English. Russian original) Zbl 0716.15008

Sov. Math., Dokl. 40, No. 3, 627-630 (1990); translation from Dokl. Akad. Nauk SSSR 309, No. 6, 1293-1296 (1990).
Reviewer: F.J.Gaines
PDFBibTeX XMLCite

A linear-fractional pencil of differential operators of Sturm-Liouville type. (English. Russian original) Zbl 0667.34034

Sov. Math., Dokl. 35, No. 3, 608-611 (1987); translation from Dokl. Akad. Nauk SSSR 294, No. 5, 1041-1044 (1987).
Reviewer: J.Weidmann
PDFBibTeX XMLCite

On spectral properties of a class of differential operators with almost- periodic coefficients, and their perturbations. (English. Russian original) Zbl 0624.34019

Sov. Math., Dokl. 33, 438-441 (1986); translation from Dokl. Akad. Nauk SSSR 287, 777-781 (1986).
Reviewer: E.Beck
MSC:  34L99 47E05
PDFBibTeX XMLCite

On the existence of transformation operators for high-order differential equations polynomially depending on a parameter. (English. Russian original) Zbl 0372.34006

Sov. Math., Dokl. 18(1977), 912-916 (1978); translation from Dokl. Akad. Nauk SSSR 235, 259-262 (1977).
MSC:  34A25 34L99
PDFBibTeX XMLCite

Multiple completeness of a part of the set of eigenfunctions and adjoint functions of differential operator bundles. (English. Russian original) Zbl 0257.35066

Sov. Math., Dokl. 13, 521-524 (1972); translation from Dokl. Akad. Nauk SSSR 203, 1235-1237 (1972).
MSC:  35P05 47E05 34L99 35F15 35J45
PDFBibTeX XMLCite

Filter Results by …

all top 5

Year of Publication

all top 3

Main Field