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1981, Volume 17, Number 4  


Ordinary Differential Equations
Necessary optimality conditions with matrix impulses
E. E. Barbashina
579–588
Minimal possible number of controls in a linear time-invariant control system
V. Y. Belozerov, G. V. Mozhaev
589–597
V. A. Kondrat'ev's theorem on the distribution of zeros of solutions of a second-order linear differential equation
I. V. Kamenev
598–603
The Hölder property of the Bellman function of plane control systems
A. A. Liverovskiy
604–613
Absolute stability of a programmed manifold and estimate of indices of a transition process
B. Zh. Maygarin, S. S. Zhumatov
614–623
Asymptotic behavior of solutions of nonlinear systems of differential equations
T. H. Nguyên
624–628
Program and position equilibrium in multicriterion game problems of control under conditions of indeterminacy
O. I. Nikonov
629–637
On the problem of linearization in the neighborhood of invariant manifolds
G. S. Osipenko
638–642
Invariant sets of autonomous differential systems
I. V. Polesya
643–650
On comparison theorems for differential inclusions in locally convex space. I. Existence of solutions
A. A. Tolstonogov
651–659
Correct solutions of differential inclusions
P. I. Chugunov
660–668

Integral Equations and Integral-Differential
Solutions of an equation of coagulation
A. V. Burobin, V. A. Galkin
669–677
On the theory of symbols for Banach algebras of operators that generalize algebras of singular integral operators
N. L. Vasilevskii
678–688
Averaging of certain systems of integro-differential equations that are unsolvable with respect to a derivative, with a multipoint linear boundary condition
V. M. Loginov
689–696
Factorization of measurable matrix-valued functions and related problems in the theory of systems of singular integral equations and the vector Riemann boundary
I. M. Spitkovsky
697–709

Numerical methods
Difference schemes of gas dynamics
V. N. Abrashin
710–718
Some singularities of a solution of equations of gas dynamics by finite-difference methods
S. B. Popov, Yu. P. Popov
719–731

Short Communications
Multiple merging of separatrices and limit cycles
N. N. Butenina
732–734
Integrability of complex Pfaff equations
N. D. Vasilevich, V. I. Gromak
735–737
Estimate of the relation of solutions of a differential equation with retarded argument of unstable type
R. Kh. Israfilov
738–740
Singularities of solutions of second-order equations in a real domain
S. N. Markov
741–743
Asymptotic formulas for eigenvalues of an operator that is akin to a differential of odd order
O. G. Storozh
744–746
Systems whose solutions are functions of solutions of linear systems
N. V. Torop
747–748

Chronicle
О семинаре по качественной теории дифференциальных уравнений в Московском университете
749–756

People of Soviet science
Valentin Petrovich Mikhaǐlov (on the occasion of his fiftieth birthday)
V. S. Vladimirov, A. K. Gushchin, A. A. Dezin, V. M. Millionshchikov, L. S. Pontryagin
757–762
 
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