%0 Journal Article
%A O. N. Evkhuta
%A P. P. Zabreiko
%T A principle for study of quasi-gradient methods of approximate solving operator equations in Hilbert spaces
%J Trudy Instituta matematiki
%D 2011
%P 32-44
%V 19
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMB_2011_19_1_a3/
%G ru
%F TIMB_2011_19_1_a3