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Ordinary Differential Equations
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The Existence of a Positive Periodic Solution of the Wangersky–Cunningham Predator-Prey System Allowing for Periodic Changes in the Environment
V. I. Borzdyko
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291 |
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Conflict-Control Systems and Differential Inclusions
S. A. Brykalov
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298 |
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Boundary Value Problems in Stationary Queueing Systems with Diffusion Intensity of the Input Flow
N. I. Golovko, V. V. Katrakhov, T. A. Pisarenko
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305 |
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Curves of Separatrix Cycles of a Quadratic System. The Case of Three Antisaddles and One Saddle
S. I. Dovnar, L. A. Cherkas
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313 |
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Positional Synthesis of Bounded Inertial Controls for Systems with One-Dimensional Control
V. I. Korobov, V. A. Skorik
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319 |
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Asymptotics of Solutions of Ordinary Differential Equations in the Degenerate Case
È. A. Nazirova
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332 |
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The Arrangement of Local Extrema of an Integral Curve of a Second-Order Ordinary Differential Equation on a Plane
I. P. Pavlotsky, B. I. Sadovnikov, M. Strianese
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338 |
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Necessary Conditions for the Existence of Global Solutions of Higher-Order Nonlinear Ordinary Differential Inequalities
J. Hay
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344 |
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Partial Differential Equations
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On Stabilization of the Solution of the Cauchy Problem for Quasilinear Parabolic Equations
V. N. Denisov, A. B. Muravnik
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351 |
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On the Absence of Solutions of Systems of Quasilinear Elliptic Inequalities
G. Caristi
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356 |
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Group Classification of Nonlinear Evolution Equations: I. Invariance Under Semisimple Local Transformation Groups
V. I. Lahno, A. M. Samoilenko
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365 |
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Some Generalizations of the Bernstein Theorem
E. Mitidieri, S. I. Pokhozhaev
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373 |
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The Group Properties of the Heat Equation. Inverse and Boundary Value Problems
M. V. Neshchadim
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379 |
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The Dirichlet Problem with Asymptotic Conditions for an Elliptic System Degenerating at a Point. I
S. Rutkauskas
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385 |
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The Wave Equation with a Boundary Control in the Case of Elastic Fixing. I
V. V. Tikhomirov
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393 |
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On the Schauder Inequality for Linear Partial Differential Operators in $\mathrm R^n$
V. M. Tyurin
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404 |
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Short Communications
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Factorization of Conservative Integral Convolution Type Operators with Slowly Decaying Kernels
L. G. Arabadzhyan
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408 |
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The Ellipticity Problem for Systems of First-Order Partial Differential Equations
V. E. Balabaev
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411 |
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A Compact Formula for the Third Variation and Necessary Optimality Conditions
E. E. Barbashina
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414 |
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On the Problem of Analytic Construction of an Optimal Regulator with a Given Terminal Set
V. B. Kovalevskii, S. M. Kozlov
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416 |
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On the $(m-m)$-Nonoscillation of Self-Adjoint Differential Equations in the Complex Domain
G. M. Muminov
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420 |
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Regular Perturbations of a Class of Sobolev Type Linear Equations
G. A. Sviridyuk, N. A. Manakova
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423 |
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Systems of Differential Equations with Nonunique Solutions of the Cauchy Problem
S. L. Sobolevskii
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426 |
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