%0 Journal Article
%A I. E. Kaporin
%A E. S. Nikolaev
%T The fictitious unknowns-conjugate directions method for difference elliptic problem with variable coefficients
%J Differencialʹnye uravneniâ
%D 1982
%P 1202-1207
%V 18
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1982_18_7_a14/
%G ru
%F DE_1982_18_7_a14