Differ. Uravn., 1978, Volume 14, Number 12

JOURNALS // Differentsial'nye Uravneniya // Archive

1978, Volume 14, Number 12

Review articles
	The development of the theory of ordinary differential equations in Belorussia È. I. Grudo	2115
	An important contribution to the development of differential equations and their application I. Z. Shtokalo	2123

Ordinary Differential Equations
	Single-parameter families of solutions of Painlevé equations V. I. Gromak	2131
	The stability of characteristic vectors of the solutions of linear homogeneous Pfaffian systems È. I. Grudo	2136
	Existence of solutions with prescribed properties in systems of differential equations in the complex domain Yu. I. Dezhurko	2147
	The stability of a perturbed system in a critical case G. S. Krechetov	2153
	Analytic solutions of a class of equations with polynomial coefficients A. D. Lizarev, V. I. Klenov	2158
	On the theory of ideal observability of linear systems with lag S. A. Minyuk	2164
	Stationary integrals and invariants of the shift operator along the solutions of differential systems V. I. Mironenko	2170
	Continuity and discontinuity of the Bellman function N. S. Rettiev	2178
	Formal transformations and the problem of distinguishing the center and focus A. P. Sadovskii	2185
	Some problems of controllability and observability of two-parameter discrete systems N. N. Stepanyuk	2190
	The method of energy inequalities in the investigation of some degenerate linear operator-differential equations N. J. Yurchuk	2196

Partial Differential Equations
	$2\vec b$-parabolic boundary value problems M. D. Martynenko, L. F. Boiko	2212

Numerical methods
	Difference schemes for nonlinear hyperbolic equations with piecewise-smooth solutions. I V. N. Abrashin, P. P. Matus	2223
	The principle of the smoothing functional in the discretized regularization method O. A. Liskovets	2244

Short Communications
	New explicit $A$-stable methods for the numerical solution of differential equations V. V. Bobkov	2249
	Control of assigned states of a system with lags V. I. Bulatov	2252
	Nonstationary singularities of a system of three differential equations P. P. Veresovich	2257
	Some mixed problems related to the longitudinal striking of nonhomogeneous rods S. I. Gaiduk	2260
	On the control theory of linear stochastic systems M. A. Dubov, B. Mordukhovich	2265
	The solution of some dual integral equations of wave diffraction theory E. A. Ivanov	2269
	An integration method for normal systems of differential equations K. K. Iskra	2272
	On the question of classes of first-order differential equations with stationary critical singular points S. G. Kondratenya, V. G. Linevich	2276
	The asymptotic behavior of the solutions of a linear differential system with a periodic coefficient matrix of the second kind I. I. Martynov, G. N. Petrovskiĭ	2279
	Construction of the Green function of the Helmholtz equation for a semi-infinite rectangular domain with the aid of Bessel functions A. V. Moshinskii	2282