Geodesic

Volume 12 (1976) no. 1

Sommaire

Some boundary value problems for a certain class of singular partial differential equations
p. 3-14
A certain inverse problem for linear symmetric $t$-hyperbolicsystems with $n+1$ independent variables
p. 15-23
A mixed problem for a certain class of second order hyperbolic-parabolic equations
p. 24-31
Remarks on some transformations of systems of equations of {\v C}aplygin type
p. 32-35
Boundary value problems for equations of the type of Humbert's equation
p. 36-40
A certain analogue of Poisson's formula
p. 41-45
Some problems of the type of the Cauchy problem and problems with a shift for a certain degenerate hyperbolic equation
p. 46-58
Analyticity of the solutions of nonlinear transmission problems
p. 59-68
A priori estimates of generalized solutions of degenerate quasilinear elliptic equations
p. 69-78
A certain boundary value problem with shift for the equation $\operatorname{sign}y|y|^mu_{xx}+y_{yy}=0$
p. 79-88
On a priori estimates for the Tricomi and the Dirichlet problem for a certain equation with degeneracy of the type and of the order
p. 89-96
Smoothness of the solution of a certain boundary value problem for an equation of mixed type with two parallel lines of degeneracy
p. 97-102
The Darboux problem for a certain degenerate second order loaded integrodifferential equation
p. 103-108
On the inverse problem for a simple layer potential
p. 109-117
Connected operators and boundary value problems for equations of elliptic type
p. 118-128
The integral representability of the resolvent of a selfadjoint elliptic operator
p. 129-136
The Dirichlet problem for a certain equation of mixed type
p. 137-143
Determination of the density of a body from a prescribed potential
p. 144-147
Potentials for higher order elliptic equations, and inverse problems
p. 148-158
Global methods of studying the oblique derivative problem for elliptic equations
p. 159-171
The inverse problem of determining a body for the transport equation
p. 172-174
The determination of a coefficient in the lowest order term of a general parabolic equation
p. 175-176
A certain boundary value problem for a loaded heat equation
p. 177-179
On the question of the composition of singular integrals
p. 180-182
Letter to the editors: ``Functionally invariant solutions of second order quasilinear partial differential equations'' (Differencial'nye Uravnenija \textbf{11} (1975), 533--540)
Letter to the editors: ``Difference schemes of the sixth order of accuracy for a Poisson equation of an arbitrary number of dimensions'' (Differencial'nye Uravnenija \textbf{11} (1975), no.~5, 934--936)