Geodesic

Volume 21 (1985) no. 12

Sommaire

Some sufficient conditions for the existence of periodic and of bounded solutions of second-order nonlinear differential equations
p. 2027-2036
Solution of a certain Cauchy problem connected with the motion of an electron in a plane wave
p. 2036-2046
An estimate of exponential stability of systems with delay by the method of approximating systems
p. 2046-2052
A nonlinear spectral problem that generates a complete system
p. 2052-2057
The existence of structurally stable global oscillators in a class of sixth-order dynamical systems
p. 2057-2063
The minimum number of vector fields forming a control system with given properties
p. 2063-2068
Differential equations in a neighborhood of a stable invariant manifold in a Banach space
p. 2068-2071
Limit cycles of a two-dimensional autonomous system with quadratic nonlinearities
p. 2072-2082
Three-point controllability of stationary Pfaffian systems
p. 2082-2086
Approximate controllability of systems of delaying type in a class of positive controls
p. 2087-2096
A nonlinear problem of laser thermochemistry.~II
p. 2097-2105
The Dirichlet problem for the Poisson equation in an angular domain
p. 2105-2114
A general problem on the plane diffraction of an electromagnetic wave falling obliquely on a circular disk lying on the interface of two media
p. 2114-2124
Asymptotic behavior of the solution of the third exterior mixed problem for the equation $u_t=\eta\Delta u_t+\Delta u$
p. 2124-2130
Convergence of iterative methods for solving implicit difference schemes for a nonlinear equation of heat conduction
p. 2131-2137
A numerical process of approximation by polynomials of solutions of Volterra integral equations of the second kind
p. 2137-2145
Investigation of the convergence of the solution of a difference scheme with weights to the generalized solution of the vibrating string equation in the class $W_2^2(Q_T)$
p. 2145-2152
Convergence of a family of explicit parametric schemes for Navier--Stokes equations
p. 2152-2158
A difference scheme for a fourth-order elliptic equation with a small parameter multiplying the derivatives
p. 2159-2165
A type of stability of phase systems with nonlinear modulated characteristic
p. 2166-2167
A difference scheme on a mesh of characteristic surface elements for the solution of a two-dimensional problem of gas dynamics
p. 2168-2170
On extendability of solutions of functional-differential equations with delay depending on the unknown function
p. 2171-2173
Classification of formal periodic systems
p. 2173-2175
Finding a limit cycle in a system of differential equations describing a model of a periodic trimolecular chemical reaction
p. 2175-2177
Application of tangent transformations to first-order ordinary differential equations
p. 2177-2181
A boundary value problem for the wave equation in a tetrahedral domain
p. 2181-2184
Integration of systems of differential equations connected with homogeneous spaces
p. 2184-2187
Completeness of the system of root functions of boundary value problems for elliptic operator-differential equations with operators in the boundary conditions
p. 2187-2188