Geodesic

Tome 11 (1975) no. 2

Sommaire

The averaging principle and almost periodic solutions of systems of functional-differential equations of neutral type
p. 211-221
A criterion for a certain multidimensional discrimination problem
p. 222-226
Conditionally stable singularly perturbed systems with singularities in the boundary conditons
p. 227-238
Individual stability of systems of linear differential equations
p. 239-245
A criterion for small change in the direction of the solutions for $n$th order linear differential equations
p. 246-254
The oscillatory properties of the solutions of quasilinear and linear second order differential equations in Hilbert space and in Euclidean space
p. 255-261
A certain differential equation with algebraic integrals
p. 262-267
The continuability, uniqueness and continuous dependence on a parameter of the solutions of equations of neutral type
p. 268-279
The construction of periodic solutions of certain linear and quasilinear equations
p. 280-286
Multiplication theorems for the solutions of the $m$th order generalized Bessel differential equation
p. 287-293
Difference schemes for nonlinear hyperbolic equations. II
p. 294-308
A certain mixed problem for a system of equations with piecewise constant coefficients
p. 309-322
The solution of a certain boundary value problem of the theory of a rectangular waveguide that is excited by an active UHF element
p. 323-331
The stabilization of functions at infinity to solutions of differential equations
p. 332-357
An application of Sobolev's method to the study of the connection between the spectrum of a second order elliptic differential operator and the geometry of a manifold without boundary
p. 358-365
A boundary value problem with boundary conditions of conjugation type
p. 366-370
Oscillating real solutions of a particular case of Painlevé's second equation
p. 371-372
On the theory of Painlevé's equations
p. 373-376
The nature of the movable singular points of a certain system of differential equations
p. 377-379
The construction of the solutions of a system of three differential equations under strong dynamic perturbations in a particular case
p. 380-381
Perturbations by compact operators of pseudodifferential equations in spaces of the type $B_{p,k}(R^n)$
p. 382-384
On sufficient optimality conditions
p. 385-387
A generalization of a theorem of H. Wittich
p. 388-389
The maximal number of limit cycles of the system $\dot{y}=-x$, $\dot{x}=y-\sum_{i=0}^2a_i x^{2i+1}$ is equal to two
p. 390-391