Geodesic

Volume 13 (1977) no. 8

Sommaire

A formula for the frequency number of axially symmetric oscillations of rotating shells
p. 1355-1365
Separation and $e$-splitting of almost periodic systems
p. 1366-1374
Absolute stability of automatic control systems with lag
p. 1375-1383
The reduction to simplest form of a system of linear differential equations with a small parameter multiplying the derivative
p. 1384-1389
Convergence in a system of two equations with dissipation
p. 1390-1401
Linear differential equations in locally convex spaces. I.~Regular operators and their properties
p. 1402-1410
Solutions of operator equations that are asymptotically stable in the sense of Poisson
p. 1411-1417
The spectrum of the Tricomi problem for the Lavrent'ev--Bicadze equation
p. 1418-1425
Solution of some systems of partial differential equations
p. 1426-1433
The principle of a minimum of a quadratic functional for a boundary value problem of heat conduction
p. 1434-1445
Some partial differential equations that are degenerate on a hyperplane
p. 1446-1453
A theorem on the behavior at infinity of the solutions of a partial differential equation
p. 1454-1459
The existence and uniqueness of the solution of the coagulation equation
p. 1460-1470
The Wiener--Hopf integral equation with a symbol that has a zero of fractional order
p. 1471-1478
A well-posed problem for singular integral equations with a symbol that goes to zero
p. 1479-1486
Methods for the approximate solution of some classes of linear integral equations that occur in control theory
p. 1487-1492
On the numerical solution of singular integral equations of the first kind
p. 1493-1502
The limit absorption principle, the limit amplitude principle and partial radiation conditions for a boundary value problem in an $n$-dimensional layer for the Helmholtz equation
p. 1503-1505
A remark on the principle of averaging on the whole real line for equations of neutral type
The existence of a knotted solution for a third order autonomous system
p. 1507-1508
The Cauchy formula for linear equations with functional derivatives
p. 1509-1511
A boundedness criterion for the solutions of linear difference-differential equations with retarded argument in Banach spaces
p. 1512-1515
The integration of a Riccati equation, and the determination of a particular solution for certain equations
p. 1516-1520
The uniqueness of the generalized solution of a certain problem in shock theory
p. 1521-1523
The existence of a continuous branch for the eigenfunctions of a nonlinear elliptic boundary value problem
p. 1524-1527
The asymptotic stability of self-adjustment algorithms in first order systems with lag
p. 1528-1531
Behavior of the solutions of equations with transformed argument
p. 1532-1533
The functionally invariant solutions of a second order quasilinear partial differential equation
p. 1534-1536
Letter to the editors: ``On the question of the isochrony of the center of two-dimensional analytic differential systems'' (Differencial'nye Uravnenija \textbf{13} (1977), no.~6, 971--980)
Letter to the editors: ``The boundedness of the infinitely continuable solutions of a system of two differential equations with quadratic right hand sides'' (Differencial'nye Uravnenija \textbf{11} (1975), no.~11, 2019--2026)