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Ordinary Differential Equations
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Analytic and qualitative theory, and also asymptotic behavior of the solutions of the system of equations $\frac{dx}{dz}=\frac1{z}\sqrt{xy(x+y)}$, $\frac{dy}{dz}=\frac1{1-z}\sqrt{xy(x+y)}$
N. P. Erugin
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379–408 |
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On the formulation of boundary value problems for differential equations with deviating argument and several highest terms
G. A. Kamenskii, A. D. Myshkis
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409–418 |
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On the controllability of systems with distributed lag
V. V. Krakhotko, A. V. Metel'skii
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419–425 |
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A condition for the nonvanishing of the Wronskian of a fundamental system of solutions of a linear differential equation with retarded argument
S. M. Labovski
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426–430 |
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The cyclic trajectories of systems with switching
N. P. Prikhod'ko
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431–435 |
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A differential guidance game with integral constraints on the controls of the adversaries
B. N. Sokolov
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436–446 |
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A stability analysis of resonance problems
M. M. Khapaev
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447–457 |
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Application of the method of I. A. Lappo-Danilevskiǐ to the problem of finding functions that map a half-plane conformally onto circular polygons
A. R. Tsitskishvili
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458–469 |
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The preservation of the nature of the recurrence of the solutions of differential equations under perturbations
B. A. Shcherbakov, L. V. Koreneva
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470–475 |
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Partial Differential Equations
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Asymptotic behavior of the limiting value of the Green's function of a pseudodifferential operator
V. V. Barkovskii
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476–480 |
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Conditions for the convergence of spectral decompositions that correspond to self-adjoint extensions of elliptic operators. V. A theorem on the uniform convergence of the spectral decomposition for a general second order elliptic operator
Sh. A. Alimov, V. A. Il'in
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481–506 |
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Estimate of the change of the solution of the Dirichlet problem under variation of the domain
È. M. Saak
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507–512 |
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On the problem of constructing a complete integral of the Hamilton–Jacobi equation
M. A. Chuev
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513–520 |
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Integral Equations and Integral-Differential
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On the question of an integral equation with deviating argument
G. G. Islamov
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521–530 |
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Controllable operators
Yu. K. Lando
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531–536 |
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Short Communications
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On the second theorem of N. N. Bogoljubov in the averaging principle for functional-differential equations of neutral type
R. R. Akhmerov, M. I. Kamenskii
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537–540 |
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The index and solvability of a certain problem for a singular integro-differential equation with conjugation
V. P. Gavrin
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541–543 |
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The order of an algebraic curve that is a solution of a differential equation
M. V. Dolov
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544–546 |
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The limit cycles of a certain dynamical system
I. A. Konovalov
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547–549 |
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Expansion in the eigenfunctions of a second order partial differential equation of polar type in the case of the whole plane
O. F. Mikulina
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550–552 |
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The realizability of the phase diagrams of structurally stable three-dimensional dissipative systems
S. Yu. Pilyugin
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553–554 |
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A certain method of constructing integrable linear equations with a small parameter
G. E. Popov
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555–557 |
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Holomorphic integrals of a certain system of differential equations
A. P. Sadovskii
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558–560 |
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The Cauchy problem for a stochastic first order hyperbolic system
A. M. Soygin
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561–562 |
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The radius of attraction of a certain two-dimensional system
È. S. Shpigelman
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563–566 |
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Family of periodic solutions of a system of second order differential equations without dissipation
G. L. Yuzbashev
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567–568 |
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Letter to the editor
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Поправки к статье: “Доказательство существования неправильных систем линейных
дифференциальных уравнений с квазипериодическими коэффициентами”
(Дифференц. уравнения, 5, № 11, 1969)
V. M. Millionshchikov
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569 |
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Поправки к статье: “Системы с интегральной разделенностью всюду плотны в множестве
всех линейных систем дифференциальных уравнений” (Дифференц. уравнения, 5, № 7, 1969)
V. M. Millionshchikov
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569 |
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Поправки к статье: “О неустойчивости особых показателей и о несимметричности
отношения почти приводимости линейных систем дифференциальных уравнений”
(Дифференц. уравнения, 5, № 4, 1969)
V. M. Millionshchikov
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569 |
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