%0 Journal Article
%A V. E. Balabaev
%T First-order normal elliptic systems
%J Differencialʹnye uravneniâ
%D 1995
%P 71-83
%V 31
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1995_31_1_a9/
%G ru
%F DE_1995_31_1_a9