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Found 11 Documents (Results 1–11)

On the multiple spectrum of a problem for the Bessel equation with squared spectral parameter in the boundary condition. (English. Russian original) Zbl 1492.34021

Differ. Equ. 57, No. 12, 1736-1739 (2021); translation from Differ. Uravn. 57, No. 12, 1715-1718 (2021).
MSC:  34B09 34B30 34L10
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Sharpening an a priori estimate of the solution of a well-known problem for a parabolic-hyperbolic equation. (English. Russian original) Zbl 1190.35166

Dokl. Math. 80, No. 1, 563-564 (2009); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 427, No. 5, 591-592 (2009).
MSC:  35M12 35B45 35B65
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An estimate of the solution of a problem for a parabolic-hyperbolic equation with the use of Fourier series. (English. Russian original) Zbl 1123.35337

Differ. Equ. 39, No. 5, 694-700 (2003); translation from Differ. Uravn. 39, No. 5, 656-662 (2003).
MSC:  35M10 35C10
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On the singularities of the root space of a spectral problem with a spectral parameter in the boundary condition. (English. Russian original) Zbl 1259.34085

Dokl. Math. 66, No. 1, 14-18 (2002); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 385, No. 1, 20-24 (2002).
MSC:  34L10 34B24 35P10
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A remark on the convergence problem for spectral expansions corresponding to a classical problem with spectral parameter in the boundary condition. (English. Russian original) Zbl 1031.34011

Differ. Equ. 37, No. 12, 1677-1683 (2001); translation from Differ. Uravn. 37, No. 12, 1599-1604 (2001).
MSC:  34B07 34B24 34L10
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The basis property in \(L_p\) of the system of eigenfunctions corresponding to two problems with a spectral parameter in the boundary condition. (English. Russian original) Zbl 1005.34075

Differ. Equ. 36, No. 10, 1498-1501 (2000); translation from Differ. Uravn. 36, No. 10, 1357-1360 (2000).
MSC:  34L10 35M10
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Convergence of spectral expansions for functions of the Hölder class for two problems with a spectral parameter in the boundary condition. (English. Russian original) Zbl 0990.34071

Differ. Equ. 36, No. 8, 1182-1188 (2000); translation from Differ. Uravn. 36, No. 8, 1069-1074 (2000).
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On a spectral problem for the Laplace operator in the square with spectral parameter in the boundary condition. (English. Russian original) Zbl 1003.35103

Differ. Equations 34, No. 5, 663-668 (1998); translation from Differ. Uravn. 34, No. 5, 662-667 (1998).
MSC:  35P10 35J05 46B15
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On the spectral problem from the theory of the parabolic-hyperbolic heat equation. (English. Russian original) Zbl 0965.34070

Dokl. Math. 55, No. 1, 80-83 (1997); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 352, No. 4, 451-454 (1997).
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Spectral problems with the spectral parameter in the boundary condition. (English. Russian original) Zbl 0911.34070

Differ. Equations 33, No. 1, 116-120 (1997); translation from Differ. Uravn. 33, No. 1, 115-119 (1997).
MSC:  34L10 35P05 35M10
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