Geodesic

Tome 11 (1975) no. 11

Sommaire

Singular perturbations in a linear control problem with a quadratic functional
p. 1915-1921
The structure and periodicity of the solutions of a certain two-dimensional system of differential equations
p. 1922-1934
Limit cycles and algebraic integrals in the case of a center
p. 1935-1941
Lacunae in the spectrum of a fourth order differenetial operator with periodic coefficients
p. 1942-1948
The stability of the rotation number of a doubly periodic differential equation
p. 1949-1955
The asymptotic behavior of the solution of the general boundary value problem for singularly perturbed systems of ordinary differential equations of conditionally stable type
p. 1956-1966
Controllability of linear autonomous systems in the presence of constraints on the control
p. 1967-1979
Fractional powers of degenerate differential operators
p. 1980-1989
Existence of Ljapunov–Krasovskiǐ functions with homogeneous derivatives, by virtue of the equation
p. 1990-1995
The Cauchy problem for the equation $Ax'(t)+Bx(t)=f(t)$
p. 1996-2010
The topological structure of a neighborhood of a singular point of a differential equation
p. 2011-2018
The boundedness of the infinitely continuable solutions of a system of two differential equations with quadratic right hand sides
p. 2019-2026
Completely integrable equations in variational derivatives
p. 2027-2039
The generalized Neumann–Tricomi problem
p. 2040-2051
The solution of certain boundary value problems of the theory of harmonic functions
p. 2052-2066
Strong and weak extension of differential operators
p. 2067-2082
Generation of a structurally stable, doubly asymptotic trajectory in a system with a slowly changing variable
p. 2083-2085
An existence and uniqueness theorem for the solution of linear differential-difference equations with deviating argument
p. 2086-2088
The oscillation on a finite time interval of the projections of the solutions of systems of ordinary differential equations
p. 2089-2091
A certain property of the oscillating solutions of nonlinear second order equations
p. 2092-2093
A certain class of third order systems with a single-valued solution
p. 2094-2096
The stochastic stability of the characteristic exponents of the variational equations of smooth dynamical systems
p. 2097-2099
The existence of a solution of a certain nonlinear boundary value problem
p. 2100-2101
Solution of the problem of the center and focus for a Liénard system with polynomial coefficients
p. 2102-2104
Михаил Алексеевич Лаврентьев (к 75-летию со дня рождения)