Geodesic

Tome 19 (1983) no. 9

Sommaire

Extension of the Sturm theorem to equations with retarded argument
p. 1475-1482
Stability of nonlinear systems. II. Discussion of results and examples
p. 1482-1487
Necessary conditions for optimality with respect to the minimax of program control in the presence of constraints
p. 1487-1495
Stability in the large of a second-order system in a special case
p. 1495-1503
Typical properties of conditional exponential stability. II
p. 1503-1510
On the investigation of equations with one degree of freedom, close to nonlinear integrable ones
p. 1511-1516
Application of certain results of branching theory in the solution of degenerate differential equations
p. 1516-1526
Degenerate systems and a degenerate parameter
p. 1527-1534
Sharp upper and lower bounds for characteristic indices of a two-dimensional system with bounded perturbations
p. 1534-1541
On the question of the sign of the Green function
p. 1542-1547
Spectral properties of operators generating equations of KdV type
p. 1548-1557
Global solution of a first-order partial differential equation. I
p. 1558-1568
Existence and uniqueness of the solution of the Cauchy problem for a spatially nonhomogeneous coagulation equation
p. 1568-1579
A mixed problem of diffraction of a vertical dipole on a disk lying on the boundary between two media in the absence of axial symmetry
p. 1579-1585
Some properties of spectral expansions corresponding to an elliptic selfadjoint operator with discontinuous coefficients
p. 1585-1593
Some weighted anisotropic inequalities
p. 1593-1601
The mean-value theorem for an elliptic equation
p. 1601-1609
Polynomial approximation of solutions of a class of singular integro-differential equations
p. 1610-1613
Differential equations with an area first integral
p. 1613-1617
A remark on differential equations of neutral type
p. 1617-1619
Localization of spectral expansions connected with elliptic pseudodifferential operators
p. 1620-1623
Uniqueness of the solution of the modified Frankl' problem
p. 1624-1627
Controllability sets of control systems that are fibers of a foliation of codimension one
p. 1627-1630
A means of calculating a multiplicative integral by methods of the theory of surfaces
p. 1630-1632
An implicit function theorem and the solution of equations of neutral type
p. 1632-1636
Certain identities used in the solution of boundary value problems by the method of finite integral transformations
p. 1636-1638
Analytic equivalence of compressible diffeomorphisms in the neighborhood of an invariant torus
p. 1638-1640
The averaging principle for systems with “fast” and “slow” variables
p. 1640-1643
О семинаре по качественной теории дифференциальных уравнений в Московском университете
p. 1644-1650