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Found 24 Documents (Results 1–24)

Asymptotic behavior of the solutions of boundary-value problems for singularly perturbed integrodifferential equations. (English. Russian original) Zbl 1505.45007

Ukr. Math. J. 71, No. 11, 1677-1691 (2020); translation from Ukr. Mat. Zh. 71, No. 11, 1466-1479 (2019).
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Asymptotic estimates for the solutions of boundary-value problems with initial jump for linear differential equations with small parameter in the coefficients of derivatives. (English. Ukrainian original) Zbl 1293.34068

Ukr. Math. J. 65, No. 5, 694-708 (2013); translation from Ukr. Mat. Zh. 65, No. 5, 629-641 (2013).
MSC:  34E15 34B05
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Regularization of two-term differential equations with singular coefficients by quasiderivatives. (English. Russian original) Zbl 1261.47021

Ukr. Math. J. 63, No. 9, 1361-1378 (2012); translation from Ukr. Mat. Zh. 63, No. 9, 1190-1205 (2011).
MSC:  47A52 34B24
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Existence and uniqueness of solution of the Cauchy problem for singular systems of integro-differential equations. (English. Russian original) Zbl 0824.45008

Ukr. Math. J. 45, No. 12, 1932-1937 (1993); translation from Ukr. Mat. Zh. 45, No. 12, 1716-1720 (1993).
MSC:  45J05 45G15 45M05
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Asymptotics of the solution of a mixed problem for a singularly perturbed weakly constrained hyperbolic system. (English. Russian original) Zbl 0593.35009

Ukr. Math. J. 37, 385-390 (1985); translation from Ukr. Mat. Zh. 37, No. 4, 481-487 (1985).
Reviewer: I.Ginchev
MSC:  35B25 35C20 35L70
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Averaging of a boundary-value problem, periodic with respect to time, for a singularly perturbed weakly nonlinear parabolic equation. (English. Russian original) Zbl 0556.35004

Ukr. Math. J. 35, 377-383 (1983); translation from Ukr. Mat. Zh. 35, No. 4, 441-447 (1983).
Reviewer: A.A.Martynyuk
MSC:  35B25 35K60 35C20
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Solution of a parabolic boundary-value problem with singularities in the coefficients of the boundary operator. (English. Russian original) Zbl 0511.35045

Ukr. Math. J. 34, 519-523 (1983); translation from Ukr. Mat. Zh. 34, No. 5, 637-640 (1982).
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