%0 Journal Article
%A P. I. Lizorkin
%T On the theory of degenerate elliptic equations
%J Informatics and Automation
%D 1985
%P 235-251
%V 172
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1985_172_a16/
%G ru
%F TRSPY_1985_172_a16