Ordinary Differential Equations


Representation and estimates of root functions of singular differential operators on an interval. I L. V. Kritskov

1291 

Invertibility and completeness of linear autonomous systems with aftereffect A. V. Metel'skii

1302 

Some sufficient conditions for the upper semistability of Lyapunov exponents of nonhomogeneous linear systems. I O. I. Morozov

1312 

On a minimax problem of the control of an ensemble of trajectories of a differential inclusion S. Otakulov

1317 

Quasidifferential approximation equations in a metric space under Carathéodorytype conditions A. I. Panasyuk

1328 

On the existence of a quasiperiodic solution of a nonlinear differential equation V. S. Pronkin

1339 

On a property of the solution set of differential inclusions in a Banach space Ya. I. Umansky

1346 

On an investigation of ordinary differential equations “with respect to the first approximation” V. V. Filippov

1351 

An inverse problem for differential equations with a singularity V. A. Yurko

1355 

Partial Differential Equations


On the basis property of a system of eigen and associated functions of multipoint problems for differential equations I. V. Aliev

1363 

On the solvability of the Cauchy problem for evolution equations of parabolic type with degeneration in some spaces V. V. Gorodestkii, I. V. Zhitaryuk

1373 

A nonlocal boundary value problem in an exterior domain D. V. Kapanadze

1381 

Glued bodies A. G. Kolpakov

1386 

The source method for the plane Neumann–Kelvin problem and free oscillations of a fluid in a channel N. G. Kuznetsov

1395 

On the solution of boundary value problems for elliptic systems in a space of generalized functions G. P. Lopushanskaya

1401 

On the decay of a solution of a mixed problem for a linearized system of Navier–Stokes equations F. Kh. Mukminov

1410 

Conditions for wellposedness of the problem of determining the matrix of coefficients multiplying the highest derivatives of a parabolic equation A. K. Ratyni

1419 

A method for constructing continuous solutions of the Carleman–Vekua equation with a singular point A. Tungatarov

1427 

The Feynman–Kac formula on a phase superspace. I A. Yu. Khrennikov

1434 

Subdifferential boundary value problems for stationary Navier–Stokes equations A. Yu. Chebotarev

1443 

Short Communications


Boundary integral equations of initialboundary value problems for the wave equation L. A. Alexeyeva

1451 

On a definition of dissipativity for integral equations R. I. Alidema

1453 

Some properties of root functions of higherorder ordinary differential operators V. D. Budaev

1454 

On a problem for a model equation of mixed ellipticparabolichyperbolic type in a domain with a doubly connected subdomain of hyperbolicity M. E. Lerner

1456 

Quadratic systems with limit cycles Yu. V. Malyshev, V. P. Zakharov

1459 

Solution of a problem with nonlocal conditions for the Lavrent'ev–Bitsadze equation V. V. Mityushev

1461 

On the Dirichlet problem for an elliptic system, degenerate on the boundary, of secondorder equations M. Musaev

1463 

Absolute and uniform convergence of series in a sine system M. A. Mustafin

1465 