%0 Journal Article
%A G. V. Grishina
%T A priori estimates and smoothness of solutions of a~system of quasi-linear equations that is elliptic in the~Douglis--Nirenberg sense
%J Sbornik. Mathematics
%D 1996
%P 15-38
%V 187
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1996_187_1_a1/
%G en
%F SM_1996_187_1_a1