%0 Journal Article
%A M. I. Vishik
%T Boundary-value problems for quasilinear strongly elliptic systems of equations having divergence form
%J Doklady Akademii Nauk
%D 1961
%P 518-521
%V 138
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_138_3_a5/
%G ru
%F DAN_1961_138_3_a5