Geodesic

Tome 23 (1987) no. 1

Sommaire

Yuriǐ Alekseevich Mitropol'skiǐ (on the occasion of his seventieth birthday)
p. 3-9
On smoothness of the solution of a degenerate problem with a directional derivative
p. 10-22
On an “almost” model boundary value problem for a higher-order parabolic equation
p. 22-29
On a system of differential equations with operator coefficients
p. 29-38
Spectral theory of a problem of small oscillations of an ideal fluid in a rotating elastic vessel
p. 38-47
On the stabilization of means with respect to time for the difference of solutions of the Cauchy problem for hyperbolic equations
p. 47-62
A lower bound for the sum of squares of fundamental functions of a second-order selfadjoint elliptic operator
p. 62-72
The Tricomi problem for a parabolic-hyperbolic equation with a degenerate hyperbolic side. I
p. 72-78
Nonlocal boundary value problems for equations of mixed type
p. 78-84
On the theory of equations of mixed type with discontinuous coefficients. I
p. 85-102
Second-order equations with an elliptic operator with respect to the space variables
p. 102-113
Estimates for the integral moduli of continuity of the higher derivatives of solutions of elliptic equations
p. 113-124
Inverse problems for the determination of parameters of a nonstationary transport equation by overdeterminations of integral type
p. 124-136
On the solvability of inverse boundary value problems for the determination of the coefficient preceding the lower derivative in a parabolic equation
p. 136-143
On certain problems of the quadratic regulator for linear hyperbolic equations
p. 143-154
On the Riesz means for root function expansions of certain nonlocal boundary value problems
p. 155-160
A mixed problem of the plane theory of elasticity in regions with a piecewise-smooth boundary
p. 161-168
Asymptotic behavior of a spectral function of the Schrödinger operator with potential $q\in L_2(R^3)$
p. 169-172
On an inverse Hausdorff–Young inequality for eigen- and associated functions of the Sturm–Liouville operator with discontinuous coefficients
p. 172-174
On a nonlocal problem for functions harmonic in a multiply connected domain
p. 174-177
On the basis property of a system of sines
p. 177-179