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JOURNALS // Differentsial'nye Uravneniya // Archive

1978, Volume 14, Number 1


Partial Differential Equations
Analytic functions that are generalized in the sense of I. N. Vekua, and boundary value problems in fractional spaces
N. K. Bliev
3
An estimate for second-order partial differential equations and its application
A. V. Borodin
12
Some boundary value problems with displacement for a certain equation of mixed parabolic-hyperbolic type
V. A. Eleev
22
Strictly hyperbolic diffraction problems
V. M. Isakov
30
Uniqueness of boundary value problems for a second-order degenerate elliptic equation
L. I. Kamynin
39
A boundary value problem for a hyperbolic equation that degenerates inside the domain
S. K. Kumykova, Ph. B. Nakhusheva
50
On the theory of linear boundary value problems for a second order equation of mixed hyperbolic-parabolic type
A. M. Nakhushev
66
Uniqueness of the solution of exterior inverse problems of potential theory
G. A. Pavlov
74
A multidimensional analogue of the Darboux problem for degenerate hyperbolic equations
N. I. Popivanov
80
The problem of determining the coefficients of a linear hyperbolic system
V. G. Romanov
94
On the Noether theory of operators. Wiener imbeddings of $B$-algebras
A. P. Soldatov
104
Existence of a quasisolution for systems of parabolic type
A. E. Uzlov
116
The characteristic problem for second-order hyperbolic systems with constant coefficients
S. S. Kharibegashvili
123
The Dirichlet problem for a generalized Lavrent'ev–Bicadze equation in a rectangular domain
M. M. Khachev
136
The inverse problem for the potential of laminated media in the two-dimensional case
V. G. Cherednichenko
140
Elliptic boundary value problems for operators of a special form
B.-W. Schulze
148
Analytic continuation of the sum of an axially symmetric Laplace series as a function of the arithmetic properties of the coefficients
A. Yanushauskas
160

Short Communications
On the problem of the perturbation of waves on a coastal sandbar
G. V. Vasil'eva
167
A boundary value problem with displacement for the equation $\operatorname{sign}y|y|^mu_{xx}+u_{yy}=0$ in an unbounded domain
Z. G. Denisova
170
Some systems of first-order partial differential equations and the corresponding generalized Euler-Poisson-Darboux equations
G. A. Dombrovskii
174
The regularization of a system of complete singular integral equations
A. N. Zarubin
177
The Darboux problem for a certain second order loaded integro-differential equation
V. M. Kaziev
181
A nonlocal problem for an equation of mixed parabolic-hyperbolic type
A. F. Napso
185


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