%0 Journal Article
%A V. I. Feigin
%T On~the smoothness of the solutions of boundary value problems for parabolic and degenerate elliptic equations
%J Sbornik. Mathematics
%D 1970
%P 507-528
%V 11
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1970_11_4_a2/
%G en
%F SM_1970_11_4_a2