%0 Journal Article
%A I. E. Kaporin
%A E. S. Nikolaev
%T The development of the method of fictitious unknowns~-- conjugate directions
%J Differencialʹnye uravneniâ
%D 1981
%P 1270-1279
%V 17
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_7_a11/
%G ru
%F DE_1981_17_7_a11