%0 Journal Article
%A A. I. Yanushauskas
%T Some systems of second-order partial differential equations
%J Differencialʹnye uravneniâ
%D 1979
%P 159-167
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1979_15_1_a19/
%G ru
%F DE_1979_15_1_a19