Geodesic

Volume 26 (1990) no. 6

Sommaire

Exponents of solutions of linear functional-differential equations
p. 923-931
A boundary value problem for a fourth-order system
p. 931-933
Exponentially decreasing perturbations that preserve the characteristic exponents of a linear diagonal system
p. 934-943
On the necessary conditions for the basis property
p. 943-953
Conditions for second-order optimality in Goursat--Darboux systems in the presence of constraints
p. 954-965
The nonwandering set of a special periodic system
p. 966-975
The rate of equiconvergence for differential operators with a nonzero coefficient multiplying the $(n-1)$st derivative
p. 975-989
The structure of the set of almost instantaneous zero-attainability
p. 989-997
Nonlocal boundary value problems for an elliptic-parabolic equation
p. 998-1007
Steady flows in vortex chambers
p. 1007-1014
The Dirichlet problem for elliptic equations in domains with conical points
p. 1014-1023
Construction in explicit form of solutions of the Darboux problems for the telegraph equation and its application in the inversion of integral equations. I
p. 1023-1032
Differential properties of extremals of variational problems that arise in the theory of plasticity
p. 1033-1044
Pseudodifferential operators on non-Archimedean spaces
p. 1044-1054
Efficient schemes with explicit identification of a front for multidimensional problems with free boundaries. I
p. 1055-1066
Application of the d'Alembert method in numerical analysis
p. 1067-1073
A problem on a piston in the motion of a fluid with a free surface in a channel of circular cross section
p. 1074-1080
On the center of attraction of a quasilinear nonautonomous system in a critical case
p. 1081-1084
On unique solutions of differential equations
p. 1084-1085
On the theory of a homogeneous third-order equation
p. 1085-1086
О~семинаре по качественной теории дифференциальных уравнений в~Московском университете
p. 1087-1097
Konstantin Sergeevich Sibirski{\v\i}
p. 1098-1100