%0 Journal Article
%A N. A. Zhura
%T Boundary value problems of Bitsadze--Samarski{\v\i} type for systems that are elliptic in the Douglas--Nirenberg sense
%J Differencialʹnye uravneniâ
%D 1992
%P 81-91
%V 28
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_1_a9/
%G ru
%F DE_1992_28_1_a9