%0 Journal Article %A V. L. Makarov %A M. N. Moskal'kov %T The accuracy of difference schemes in the class of generalized solutions of an elliptic equation with variable coefficients in an arbitrary convex domain %J Differencialʹnye uravneniâ %D 1986 %P 1046-1054 %V 22 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_6_a15/ %G ru %F DE_1986_22_6_a15