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Ordinary Differential Equations
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Invertibility conditions for a second order differential operator
Kh. A. Abduvaitov, È. M. Muhamadiev
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2115–2123 |
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An optimal control problem in Hilbert space
D. È. Allakhverdiev, N. K. Allachverdieva
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2124–2134 |
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The structure of the Poincaré disc of a first order homogeneous differential equation
A. N. Berlinskii
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2135–2140 |
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On the question of the oscillation of the solutions of a second order differential equation with an “integrally small” coefficient
I. V. Kamenev
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2141–2148 |
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The first boundary value problem for a certain fourth order system
Yu. A. Klokov, L. A. Lepin
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2149–2157 |
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The solvability of linear differential equations in weighted spaces of entire functions
Yu. F. Korobeinik, V. A. Bogachev
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2158–2167 |
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Estimation of the states of controllable systems under conditions of indeterminacy
A. S. Koshcheev
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2168–2179 |
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A Hölder condition for Bellman's function
A. A. Liverovskiy
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2180–2187 |
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The asymptotic properties of the solutions of two-dimensional differential systems
J. D. Mirzov
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2188–2198 |
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On the question of the controllability of linear systems in locally convex spaces
Ya. V. Radyno
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2199–2206 |
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Semi-dynamical systems on the line
K. S. Sibirskii, A. S. Shube
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2207–2212 |
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$(U,\kappa ,\alpha )$-monotone equations
Yu. V. Trubnikov, S. S. Dashieva
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2213–2224 |
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On the question of the stability of the solutions of linear differential equations with retarded argument
V. A. Tyshkevich
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2225–2233 |
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Partial Differential Equations
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The Goursat problem for a second order hyperbolic equation with a singularity in the coefficient
F. T. Baranovskii
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2234–2245 |
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Method of penalty functions and optimality conditions for the generalized solutions for an optimal control problem with partial derivatives
Yu. M. Volin, G. M. Ostrovskii, A. V. Finkelstein
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2246–2255 |
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Stabilization of the solution of the Cauchy problem for a higher order parabolic equation
E. B. Sandakov
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2256–2264 |
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The inverse problem for higher order elliptic equations
B.-W. Schulze
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2265–2271 |
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Short Communications
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Syzygies between the affine invariants of a system with quadratic right hand sides
M. N. Popa
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2272–2275 |
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Optimal control of processes that are described by integro-differential equations
B. M. Usifov, É. M. Dzhafarov
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2276–2279 |
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Boris Pavlovič Demidovič
N. P. Erugin, Yu. S. Bogdanov, N. A. Izobov, I. P. Makarov, K. S. Sibirskii
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2280–2283 |
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Isaak Samoǐlovič Kukles
N. P. Erugin, Yu. S. Bogdanov, K. S. Sibirskii, A. K. Atakhodzhaev, A. R. Artykov
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2284–2287 |
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Letter to the editor
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Letter to the editors: “A criterion for discreteness of the spectrum for a degenerate operator, and certain imbedding theorems” (Differencial'nye Uravnenija 13 (1977), no. 1, 111–120)
M. Otelbaev
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2288 |
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