%0 Journal Article
%A A. Yanushauskas
%T On non-strongly-elliptic systems of second-order partial differential equations
%J Differencialʹnye uravneniâ
%D 1986
%P 1984-1990
%V 22
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1986_22_11_a16/
%G ru
%F DE_1986_22_11_a16