Geodesic

Tome 25 (1989) no. 8

Sommaire

The “freezing” method for nonlinear equations
p. 1291-1297
A nonlocal boundary value problem of the first kind in a differential and a difference treatment
p. 1297-1307
An inequality of Hilbert type in a system of eigen- and associated functions of a second-order differential operator for odd and even functions
p. 1307-1312
Stability of functional-differential inclusions
p. 1312-1321
Nonlocal boundary value problems for ordinary differential equations
p. 1321-1332
Frequency criteria for the stability and instability of linear periodic systems
p. 1332-1339
Asymptotics of the spectral function of a discrete operator
p. 1340-1344
A variational approach to nonresonance problems for semilinear equations in a Hilbert space
p. 1344-1349
A singular differential equation with a small parameter in the case of a variable bounded operator coefficient
p. 1350-1354
A nonlocal boundary value problem for hyperbolic-parabolic equations
p. 1355-1359
The Cauchy problem for evolution equations of fractional order
p. 1359-1368
On the behavior of solutions of some semilinear elliptic and parabolic inequalities
p. 1368-1374
A mixed problem for a degenerate equation of plate oscillation type
p. 1375-1383
Lower bounds on the Green function of the second mixed problem for a second-order parabolic equation
p. 1383-1393
Isolation of a generalized solution of the Cauchy problem for a system of equations of gas dynamics without convexity conditions
p. 1394-1400
On the Riemann–Hilbert boundary value problem ($L_2$-theory)
p. 1400-1406
Optimal control of objects that can be described by quasilinear elliptic equations
p. 1406-1416
On the problem of the motion of an ideal fluid in an unbounded elastic basin
p. 1417-1426
Limit transitions in optimal control problems for a fourth-order operator
p. 1427-1435
An integral representation of solutions of the Moisil–Teodorescu system with singularities in the small terms
p. 1436-1439
The regularized trace of the Sturm–Liouville operator
p. 1439-1441
A boundary value operator with a condition at infinity for third-order equations
p. 1441-1443
On an estimate for the modulus of the solution of a nonlinear system of functional-differential equations of parabolic type
p. 1444-1446
Stability of almost periodic systems with respect to some of the variables
p. 1446-1448
Application of the normalization method to the study of the dynamics of a differential-difference equation with a small factor multiplying the derivative
p. 1448-1451
A frequency criterion for instability in the large of nonlinear dynamical systems
p. 1451-1453
Decomposition in dynamic problems with mixed constraints
p. 1453-1457
A stable method for determining pseudo-solutions of nonlinear equations with monotone operators
p. 1457-1459
Generalization of the method of characteristics for a nonlocal quasilinear equation
p. 1459-1462
Solvability of a discrete equation of convolution type with variable coefficients
p. 1462-1464
Поправки к статье H. И. Гаврилова: VII всесоюз. конф. «Качественная теория дифференциальных уравнений», 3–7 апр. 1980 г.