%0 Journal Article
%A V. S. Kostin
%T The smoothness of the solutions of certain equations of parabolic type.~I
%J Differencialʹnye uravneniâ
%D 1976
%P 1495-1506
%V 12
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_8_a13/
%G ru
%F DE_1976_12_8_a13