%0 Journal Article
%A Yu. L. Rodin
%T On the algebraic theory of elliptic systems of first-order equations
%J Doklady Akademii Nauk
%D 1963
%P 1228-1231
%V 150
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_150_6_a10/
%G ru
%F DAN_1963_150_6_a10