Geodesic

Volume 14 (1978) no. 3

Sommaire

Uniform approximations to the solutions of certain singularly perturbed nonlinear equations
p. 395-406
A necessary condition for the system of eigen- and associated functions of an ordinary differential operator to be a basis in $L_2(0,1)$
p. 407-417
Correctness of an optimal control problem with a variable right end and an integral quadratic efficiency criterion
p. 418-424
The complex centers and foci of a second order differential equation
p. 425-434
The spectrum of a degenerate boundary value problem
p. 435-441
Stability in the large of the zero solution of a second order autonomous system
p. 442-450
Controllability of general differential systems
p. 451-459
A problem on the construction of comparison functions in the theory of the stability of motion
p. 460-466
Almost reducible systems with quasiperiodic coefficients
p. 467-473
Normal solvability of the generalized Dirichlet problem for a certain class of nonelliptic equations
p. 474-481
A second order degenerate elliptic equation in Hilbert space
p. 482-491
An application of the contour integral method to the solution of the Cauchy problem for certain higher order parabolic systems with variable coefficients
p. 492-498
The absolute convergence of Fourier series in generalized Nikol'ski{\v\i} classes
p. 499-503
A problem with a contact discontinuity for a system of three quasilinear equations
p. 504-511
A nonlinear integro-differential system of transport equations
p. 512-521
On the approximate solution of certain singular integral equations with shift
p. 522-526
The construction of an asymptotic solution of a system of linear integro-differential equations of rational rank
p. 527-539
Reducible completely integrable systems
p. 540-542
On the question of the stability of the solutions of second order systems in critical cases
p. 543-545
The semiperiodic Dirichlet problem for a class of equations of mixed type
p. 546-547
The solvability of boundary value problems on small intervals
p. 548-550
A third order linear differential equation
p. 551-553
Correctness of a boundary problem for differential-operator equations in a Banach space
p. 554-555
Regularization of linear differential equations with constant operators in the degenerate case
p. 556-560
Generalized solvability of a certain boundary value problem for the wave equation
p. 561-564
Konstantin Sergeevi{\v{c}} Sibirski{\v\i} (on the occasion of his fiftieth birthday)
p. 565-570