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Ordinary Differential Equations
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On the theory of necessary conditions for optimality with delay and a derivative of the control
L. E. Zabello
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371 |
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Discrete-group analysis of ordinary differential equations
V. F. Zaitsev
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379 |
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Partial localization of limit sets and the asymptotic stability of nonautonomous equations. I
L. B. Knyazhishche, N. A. Raptunovich
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388 |
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Spectral analysis of differential operators with periodic matrix coefficients
F. G. Maksudov, O. A. Veliev
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400 |
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Expansions in residues of the solution of a spectral problem for a system of ordinary differential equations
Yu. A. Mamedov
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409 |
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Necessary conditions for optimality in nonsmooth control problems with nonfixed time
B. Mordukhovich
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424 |
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Relaxation oscillations in a system of Duffing type
A. V. Osipov, V. A. Pliss
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435 |
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Application of the method of Lyapunov functions in the problem of Poisson stability
N. S. Fal'ko
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446 |
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Partial Differential Equations
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On the asymptotic behavior of the solution of a singularly perturbed parabolic problem in the two-dimensional case
V. F. Butuzov, V. Yu. Buchnev
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453 |
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Partial symmetries and integrable multidimensional differential equations
E. M. Vorob'ev
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461 |
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A first-order partial differential equation with an integral coefficient
M. Imanaliev, Yu. A. Ved'
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465 |
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Smoothness of parabolic Pagni potentials. I
L. I. Kamynin
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477 |
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Stabilization of solutions of the first mixed problem for a higher-order quasilinear parabolic equation
A. F. Tedeev
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490 |
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A method for studying regular singularities of partial differential equations
M. Utepbergenov
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499 |
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Pseudodifferential equations in functional superanalysis. II. The Feynman–Kac formula
A. Yu. Khrennikov
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505 |
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Short Communications
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Auxiliary exponents
T. Sh. Abakirov
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515 |
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The Dirichlet problem for a multidimensional elliptic system with variable coefficients
A. M. Abdrakhmanov
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517 |
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A formula for periodic solutions of a linear nonhomogeneous differential system with a Jordan cell
È. I. Grudo
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521 |
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Symmetrization of an operator of a boundary value problem for a hyperbolic equation
L. A. Zhelezovskaya, S. E. Zhelezovsky, V. Ph. Kirichenko, V. A. Krys'ko
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523 |
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Asymptotic properties of the solutions of differential equations with unbounded damping
G. S. Krechetov
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525 |
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On the solution of singularly perturbed equations on a large interval of the independent variable
R. P. Kuzmina
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527 |
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Increasing the smoothness of solutions of second-order degenerate elliptic equations
S. K. Kydyraliev
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529 |
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A boundary value problem for a system of third-order equations of composite type
V. A. Malovichko
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531 |
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On some classes of integral equations solvable in closed form
N. B. Pleshchinskii
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533 |
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A class of third-order equations with an irrational right-hand side without moving critical points
V. A. Pron'ko
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535 |
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A Bitsadze-Samarskiǐ problem
A. K. Pulatov
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537 |
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Limit cycles of a dynamical system that models the functioning of a laser
V. A. Rantsevich, A. M. Samson
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540 |
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Exponents of regular Lappo–Danilevskiǐ systems
T. L. Surin
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543 |
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Letters to the Editor
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Letter to the editors: “The index of the Bitsadze–Samarskiǐ problem for harmonic functions” [Differentsial'nye Uravneniya 24 (1988), no. 1, 105–110; MR0930160]
K. Yu. Kishkis
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546 |
