%0 Journal Article %A F. K. Akhmadishina %T Sufficient conditions for the asymptotic optimality of projection methods as applied to operator equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2009 %P 1139-1147 %V 49 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2009_49_7_a0/ %G ru %F ZVMMF_2009_49_7_a0