%0 Journal Article
%A Yu. N. Drozhzhinov
%T Passive linear systems of partial differential equations
%J Sbornik. Mathematics
%D 1983
%P 269-278
%V 44
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1983_44_3_a1/
%G en
%F SM_1983_44_3_a1