Geodesic

Volume 27 (1991) no. 5

Sommaire

First-order necessary conditions for abnormal problems in the calculus of variations
p. 739-745
Asymptotic behavior of solutions of differential equations with functional perturbation
p. 745-751
Relaxation oscillations in a system of equations describing the operation of a solid-state laser with a nonlinear element of delaying action
p. 752-758
Development of Lyapunov's theorem on stability
p. 758-766
An estimate for the Hausdorff dimension of the attractors of dynamical systems
p. 767-771
Some differential-topological problems in control theory
p. 771-777
Linear generalized Lyapunov functions and limit cycles
p. 777-781
Bounded solutions of a Riccati matrix differential equation
p. 781-788
Optimality of generalized (impulse) controls in a nonlinear time-optimality problem
p. 788-801
Asymptotics of spheroidal functions in the complex domain
p. 801-809
A criterion for the existence of a strong solution of the Tricomi problem for the Gellerstedt equation
p. 810-815
Periodic solutions of a quasilinear telegraph equation
p. 815-826
Behavior of solutions of quasilinear elliptic systems at a nonregular boundary point
p. 826-836
Application of parabolic potentials to boundary value problems in mathematical physics. III
p. 836-849
Properties of the eigenfunctions of some singular elliptic operators
p. 849-856
The Cauchy problem for a class of systems of quasilinear hyperbolic equations
p. 857-866
Weak and strong solutions of inverse problems for differential equations in a Banach space
p. 867-874
Stability of the stationary solution of a problem in magnetohydrodynamics
p. 875-886
On a system of equations in the magnetohydrodynamics of nonlinearly viscous media
p. 886-896
Convergence of iterative difference schemes for solving a problem of Stefan type
p. 897-898
On a method for constructing a solution of a relativistic wave equation
p. 898-901
Solvability in quadratures of second-order matrix differential equations
p. 901-904
Necessary optimality conditions for one-dimensional distributed systems with moving boundary
p. 904-906
Moving essentially singular points of solutions of the Euler system
p. 906-909
On a criterion for joint behavior of higher sigma exponents of a triangular system and the system of its diagonal approximation
p. 910-911
Nikola{\v\i} Fedorovich Otrokov
p. 912-913
Mikhail Vasil'evich Fedoryuk
p. 914-915