Geodesic

Tome 4 (1968) no. 11

Sommaire

On some questions of the existence of the center
p. 1931-1938
The solvability of boundary value problems when Bernšteǐn's condition is satisfied
p. 1939-1948
Modes of approach of trajectories toward a singular point
p. 1949-1955
Degenerate linear differential equations. II
p. 1956-1966
The stability of Volterra equations
p. 1967-1979
The stability of an automatic control system with variable structure.
p. 1980-1990
Conditions for the isochronism of systems of two differential equations
p. 1991-1993
A test of stability of linear systems with variable coefficients
p. 1994-2001
The problem of center and focus
p. 2002-2009
Stability of motion under constantly acting perturbations in a finite interval
p. 2010-2014
Existence of solutions of a system of differential equations on the whole line and Ljapunov functions
p. 2015-2026
On the stability of systems with aftereffect in the critical case of two zero roots
p. 2027-2033
On the smoothness of thermal potentials. VI. Special thermal potentials $P$ and $Q$ on surfaces of type $Л^{m+1,\alpha,\alpha/2}_{2m+1,1,(1+\alpha)/2}$ and $Л^{m+1,1,(1+\alpha)/2}_{2m+3,\alpha,\alpha/2}$
p. 2034-2055
Equations of the first kind
p. 2056-2060
Solution of a certain nonlinear problem of the dynamics of an atmosphere boundary layer
p. 2061-2067
The system of equations of boundary layer theory for stationary flow of an incompressible fluid
p. 2068-2083
The approximate solution of linear integral equations of mixed type with retarded argument by means of a certain variant of Ju. D. Sokolov's method
p. 2084-2088
The solution of a certain class of boundary value problems with mixed boundary conditions for regions of composite form
p. 2089-2093
The solution of Volterra type integral equations by a method of Runge–Kutta form
p. 2094-2102
Boundary value problems for metaharmonic equations of higher orders
p. 2103-2110
An approximate method for solving the Dirichlet problem in space
p. 2111-2116