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JOURNALS
// Differentsial'nye Uravneniya
// Archive
1983, Volume 19, Number 3
Ordinary Differential Equations
Affine-invariant conditions for topological distinction of quadratic systems in the presence of a center
N. I. Vulpe
371
Selfadjointness of a differential operator with periodic coefficients
V. A. Erovenko
380
Asymptotic behavior of the fundamental matrix of solutions of a linear system of differential equations in the presence of turning points
A. F. Kadomtseva
388
Some nonlinear boundary value problems
V. P. Maksimov
396
A class of differential and functional equations
A. Z. Mokhon'ko
414
Zones of capture and evasion in dynamic games of quality
G. V. Tomskii
419
Partial Differential Equations
An aspect of the development of the theory of the anisotropic strict extremum principle of A. D. Aleksandrov
L. I. Kamynin, B. N. Khimchenko
426
The behavior of solutions of second-order degenerate parabolic equations near a boundary point
I. T. Mamedov
437
Investigation of a second-order elliptic operator in domains with an infinite boundary by means of the operator Sturm–Liouville equation. I
P. A. Mishnaevskii
445
Nonlocal elliptic boundary value problems with degeneration
A. L. Skubachevskii
457
Fundamental solutions for the potential of generalized Cauchy–Riemann systems of a certain class
A. P. Chernyaev
470
Numerical methods
Localization of gas dynamic processes in the case of isentropic compression of a gas in a mode with peaking
M. A. Anufrieva, A. P. Mikhailov
483
Some methods for solving the Stefan problem
O. I. Bakirova
491
Numerical solution of some axially symmetric problems of the mathematical theory of elasticity by the finite difference method
R. D. Lazarov
500
Generalized nonlinear interpolation and solution of boundary value problems
O. N. Litvin
508
Short Communications
A class of operator equations
N. Yu. Bakaev
516
The problem of optimization with change of phase space
V. G. Boltyanskii
518
Stability of the zero solution of a quasilinear nonautonomous system in the critical case
I. E. Vitrichenko, A. V. Kostin
521
The lattice method of solving boundary value problems of the theory of heat conduction
A. V. Glazov
523
On the Kuznetsov–Malgrange theorem
P. N. Zyukin
525
On the theory of stability in the first approximation of completely integrable Pfaffian systems
P. G. Lasy
529
An extremum principle for a degenerate hyperbolic system
I. V. Maiorov
532
Fundamental solution of a system of equations of statics of a cubically anisotropic medium
M. D. Martynenko, L. P. Knyazeva
535
The Cauchy problem for a second-order equation
I. V. Mel'nikova
537
The Lyapunov function with a derivative of a special type for a linear system
B. N. Skachkov
539
Analytic equivalence of systems of differential equations in the neighborhood of an exponentially stable invariant torus
S. P. Tokarev
540
Stability of multifrequency systems in the case of resonance without synchronization of phase variables
O. P. Filatov
543
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Steklov Math. Inst. of RAS
, 2025