%0 Journal Article
%A V. N. Lebedev
%T Iterative methods for solving operator equations with a spectrum contained in several intervals
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1969
%P 1247-1252
%V 9
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1969_9_6_a2/
%G ru
%F ZVMMF_1969_9_6_a2