Differ. Uravn., 1989, Volume 25, Number 2

JOURNALS // Differentsial'nye Uravneniya // Archive

1989, Volume 25, Number 2

Ordinary Differential Equations
	The comparison method and investigation of the stability of systems of ordinary differential equations containing perturbations. II O. V. Anashkin, M. M. Khapaev	187
	Second-order kindred linear differential equations L. M. Berkovich	192
	Nonnegativity of the Cauchy matrix and the stability of a system of linear differential equations with retarded argument A. I. Domoshnitskii, M. V. Sheina	201
	Linear systems with nonregularity sets of full measure E. K. Makarov	209
	Investigation of the existence and convexity of limit cycles by the method of generalized Lyapunov functions Yu. V. Malyshev, V. P. Zakharov	212
	An analogue of a theorem of Hartman D. D. Mirzov	216
	Eigenvalues of boundary value problems. Transformations of boundary value problems to boundary value problems with small coefficients V. S. Mokeichev	222
	A priori estimation of the length of a closed trajectory on a plane V. P. Nozdracheva	229
	On exponential dichotomy with maximal index and on uniform strong positivity of a family of automorphisms of a vector bundle M. I. Rakhimberdiev	234
	Linearization of an autonomous system in a neighborhood of a saddle singular point V. S. Samovol	240
	A singularly perturbed differential equation with a Fredholm operator multiplying the derivative V. A. Sobolev, K. I. Chernyshov	247

Partial Differential Equations
	The third boundary value problem for degenerate linear elliptic equations M. I. Aliev	259
	Spatial singularities of high-mode bifurcations of two-component systems with small diffusion S. A. Kashchenko	262
	Boundary value problems for third-order parabolic-hyperbolic equations with a noncharacteristic line of change of type M. Mamazhanov, D. Khalmuratov	271
	Local solvability of some multidimensional inverse problems for equations of hyperbolic type V. G. Romanov	275
	The homogeneous Keldysh–Sedov problem for multiply connected circular domains in the Muskhelishvili class $h_0$ A. S. Sorokin	283
	Connection formulas for spheroidal functions in different coordinate systems M. V. Fedoryuk	294

Integral Equations and Integral-Differential
	The generalized Hilbert operator I. K. Lifanov, L. N. Poltavskii	300
	Solvability in closed form of a class of complete singular integral equations Nguen Van Mau	307
	Solutions of a class of nonlinear singular integro-differential equations with a shift R. Sh. Khusnutdinov	311
	Asymptotic estimates for the solutions of the renewal equation Z. B. Tsalyuk	320
	An integro-differential operator of potential theory A. Yanushauskas	325

Short Communications
	Estimates of the solution of a half-space initial-boundary value problem for a system of equations of elliptic-parabolic type in $W_p^l$-classes M. A. Abdrachmanov	330
	Метод функций Ляпунова и обобщенная непрерывная зависимость решений от начальных данных B. V. Zadvornyi	332
	On the bifurcation of the separatrix connecting two equilibrium states V. S. Medvedev	332
	Necessary conditions for stability of characteristic Lyapunov exponents of linear differential systems in case of exponentially decreasing perturbations A. M. Nurmatov	335
	On the connection between the Liouville equation and the superradiative cascade equation A. A. Samodurov	337
	A problem of Showalter G. A. Sviridyuk	338
	Generalized solutions of integral equations of the first kind with weak singularities on closed surfaces S. I. Smagin	340
	Removable singularities of Hölder solutions of elliptic systems N. N. Tarkhanov	341
	On analytic solutions of the Korteweg–de Vries equation represented by exponential series S. S. Titov	343
	A method for constructing a solution of the two-dimensional nonlinear Poisson equation I. E. Tralle	343
	Some integral operators in the theory of generalized analytic functions A. Tungatarov	345
	A nonlocal problem for an analytic function in a doubly connected domain T. V. Chekmarev	348
	Limit cycles of a quadratic system of differential equations in the presence of an integral line R. M. Mints	351
	An algorithm for constructing a regularized asymptotic solution of a nonlinear singularly perturbed boundary value problem in the resonance case V. A. Strizhkov	352
	The unconditional basis property of root vectors of loaded operators V. V. Tikhomirov	355
	Exponential stability of linear systems with delay D. Ya. Khusainov	357