%0 Journal Article
%A S. I. Serdyukova
%T An estimate of the “shade” of additional boundary conditions for systems of difference equations with oblique characteristics of constant sign
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1989
%P 1811-1821
%V 29
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_12_a4/
%G ru
%F ZVMMF_1989_29_12_a4