%0 Journal Article %A A. A. Abramov %A L. F. Yukhno %T An efficient method for solving difference systems for elliptic differential equations %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2011 %P 2247-2252 %V 51 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_12_a8/ %G ru %F ZVMMF_2011_51_12_a8