%0 Journal Article %A T. G. Aleinikova %T On a class of effective difference schemes for solving elliptic equations in a domain of arbitrary form %J Differencialʹnye uravneniâ %D 1990 %P 898 %V 26 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_5_a18/ %G ru %F DE_1990_26_5_a18