Geodesic

Volume 6 (1970) no. 12

Sommaire

The periods of the solutions of certain autonomous systems
p. 2115-2120
Sufficient conditions for the ``structural instability of the first degree'' of a dynamical system on the plane
p. 2121-2134
On the theory of identification of dynamical systems
p. 2135-2148
The solutions of a certain system of differential equations in a certain singular case of stability
p. 2149-2162
The solution of ordinary linear differential equations by trigonometric series
p. 2163-2173
The oscillations of a pendulum with a shock impulse. II
p. 2174-2181
The existence and behavior of solutions that have asymptotes in the case of second order nonlinear equations
p. 2182-2192
A complete investigation of the number of limit cycles of the equation $(b_{10}x+y)dy=\sum_{i+j\ge1}^2a_{ij}x^iy^jdx$
p. 2193-2199
An application of the method of parabolic potentials to the solution of a certain heat contact boundary value problem
p. 2200-2213
On the question of the asymptotic distribution of the eigenvalues of second order degenerate elliptic operators
p. 2214-2223
A construction of the Green's function of the third exterior boundary value problem for the Schr\"odinger equation
p. 2224-2232
A representation of the Green's function by rapidly converging bilinear series
p. 2233-2241
Diffraction of the field of a vertical dipole by a circular opening in a plane screen between two different media
p. 2242-2247
Asymptotic behavior of the solutions of the second exterior boundary value problem for the two-dimensional wave equation
p. 2248-2262
The absence of solutions belonging to $L_2(x_0,\infty)$ of a second order linear differential equation
p. 2263-2266
Linear difference systems with small lag
p. 2267-2269
The topological classification of linear systems of differential equations
p. 2270-2272
A remark on the article ``Generalized solutions of systems with control''
p. 2273-2276
The nonlocal existence of solutions of differential equations with retarded argument
p. 2277-2280
A Cauchy type problem for $N$th order ordinary differential equations
p. 2281-2285
An application of the method of the contour integral to the solution of the Cauchy problem for a second order parabolic system
p. 2286-2287