%0 Journal Article
%A R. S. Saks
%T The Dirichlet problem for a certain class of elliptic systems of second order differential equations
%J Differencialʹnye uravneniâ
%D 1970
%P 72-85
%V 6
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1970_6_1_a7/
%G ru
%F DE_1970_6_1_a7