Geodesic

Tome 29 (1974) no. 2

Sommaire

Ivan Georgievich Petrovskii
p. 1-5
I.\,G.~Petrovskii and the University of Moscow
p. 6-9
Normal forms of functions in neighbourhoods of degenerate critical points
p. 10-50
On free-boundary problems associated with the flow of a~liquid through porous materi
p. 51-71
Cauchy problems with multiple characteristics in spaces of regular distributions
p. 72-78
On certain questions related to optimal control
p. 79-87
On moduli of Kleinian groups
p. 88-102
Solutions with compact support of variational inequalities
p. 103-108
Asymptotic properties of Leray's solution of the stationary two-dimensional Navier--Stokes equations
p. 109-123
Analytic first integrals of non-linear parabolic systems of differential equations in the sense of Petrovskii, and applications
p. 124-157
Fundamental solutions and lacunae of quasihyperbolic equations
p. 158-169
Functions whose gradient is bounded by the reciprocal distance from the boundary of their domain
p. 170-175
Equations of principal type witgout solution
p. 176-194
Generalized analyticity and some related properties of solutions of elliptic and parabolic equations
p. 195-212
The linear analytic cauchy problem with singular initial data (after hamada and wagschal); partial hyperbolicity
p. 213-222
On Kowalewskian systems
p. 223-235
A~lemma on hyperbolic fixed points of diffeomorphisms
p. 236-241
A~decay theorem for maxwell's equations
p. 242-250
On a~question of Hans Lewy
p. 251-262
On the local solubility of linear partial differential equations
p. 263-292
Functional approach to turbulence
p. 293-326
The stability of the solutions of non-linear hyperbolic equations on a~manifold
p. 327-335
Ivan Georgievich Petrovskii (photo)