%0 Journal Article
%A R. A. Aleksandryan
%T Operators generated by systems of differential equations of Sobolev type
%J Doklady Akademii Nauk
%D 1960
%P 471-474
%V 131
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1960_131_3_a0/
%G ru
%F DAN_1960_131_3_a0