Geodesic

Volume 35 (1999) no. 12

Sommaire

On the generation of limit cycles from a separatrix contour in a three-parameter family of dynamical systems on orientable two-dimensional manifolds
p. 1587-1596
Equiconvergence of biorthogonal expansions in root functions of differential operators.~I
p. 1597-1609
Controllability of linear discrete systems in a Banach space.~II
p. 1610-1618
On the connectedness of values of a solution of a differential equation with multidimensional time without the complete integrability assumption
p. 1619-1623
Trajectories on a sphere that are generated by Lagrangians with higher-order derivatives
p. 1624-1629
The rotation method and singular numbers of three-dimensional systems
p. 1630-1639
The wave equation with a boundary control at one end and the other end fixed
p. 1640-1659
Multiparametric solutions of the Tzitzeica equation
p. 1660-1668
The Fourier method in the Cauchy problem and absolutely representing systems of exponentials.~I
p. 1669-1676
A boundary value problem of the first kind for some nonlinear differential equations with degeneration on manifolds of arbitrary dimensions
p. 1677-1683
$R$-identity of second-order elliptic operators with continuous coefficients
p. 1684-1690
On the existence and stability of periodic solutions of an inhomogeneous hyperbolic equation
p. 1691-1700
On some properties of the parabolic potential of bulk masses.~I
p. 1701-1706
Investigation of the stability of solutions of nonlinear systems with unbounded perturbations
p. 1707-1708
A mixture of the Leray--Schauder and the Poincar\'e--Andronov methods in the problem of periodic solutions of ordinary differential equations
p. 1709-1711
The method of small regular perturbations in the investigation of singular differential equations in a Banach space
Letter to the editors: ``The trace of the Laplace-Beltrami operator with a potential on a Zoll surface'' [Differ. Uravn. \textbf{35} (1999), no. 4, 528--539, 575; MR1719784]