%0 Journal Article %A S. N. Lehtikov %T A method for realizing finite element schemes for elliptic equations %J Differencialʹnye uravneniâ %D 1999 %P 131-133 %V 35 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1999_35_1_a20/ %G ru %F DE_1999_35_1_a20