Geodesic

Tome 27 (1991) no. 4

Sommaire

The stability of linear systems with aftereffect. II
p. 555-562
Justification of Frommer's method for systems of class $C^\infty$
p. 562-572
Coefficient conditions for the number and multiplicity of singular points of a quadratic differential system
p. 572-577
Equiconvergence, with a trigonometric series, of expansions in root functions of the one-dimensional Schrödinger operator with complex potential in the class $L_1$
p. 577-597
On the stable solution of inverse problems for nonlinear distributed systems. II
p. 597-603
On the theory of the completeness of systems with aftereffect with constraints on the initial conditions
p. 603-611
Oscillation of solutions of third-order linear ordinary differential equations. II
p. 611-618
On the existence of smooth solutions of boundary value problems for a class of equations of mixed type
p. 619-627
Applications of parabolic potentials to boundary value problems in mathematical physics. II
p. 627-641
Stabilization of generalized solutions of degenerate problems in two-phase filtration
p. 641-648
A boundary value problem for the nonlinear Tricomi equation in three dimensions
p. 648-655
Doubly periodic generalized analytic functions
p. 656-665
Dual integral equations associated with eigenfunctions of the Steklov problem for a wedge
p. 666-671
New theorems on the solvability of Hammerstein operator and integral equations
p. 672-682
Quadrature formulas for a singular integral with shift and their applications
p. 682-691
An existence theorem for the solution of an inverse problem for a hyperbolic system of first-order equations
p. 692-695
A system of partial differential equations
p. 695-697
On the rate of localization of solutions of the Cauchy problem for equations of parabolic type with degeneration
p. 697-699
Solvability in quadratures of third-order linear ordinary differential equations in the adjoint representation of Lie algebras
p. 699-702
A mean-value formula for root functions of the Schrödinger operator
p. 702-705
Periodic solutions of some systems of nonlinear differential equations
p. 705-707
On the dissipativity of a system of two differential equations
p. 707-709
Backward continuation of solutions of a homogeneous convolution equation of retarded type
p. 709-711
A boundary value problem in the disk
p. 711-713
Spectral properties of a singular differential operator
p. 713-716
The Cauchy problem for hyperbolic Tricomi equations with initial data not on the line of parabolic degeneration
p. 716-717
Restrictions of an operator by orthogonality conditions imposed on its graph
p. 717-720
Complete controllability of linear stationary systems with aftereffect
p. 720-724
Valentin Petrovich Mikhaĭlov (on the occasion of his sixtieth birthday)
p. 725-730