%0 Journal Article %A Yu. K. Dem'yanovich %T Approximation and convergence of the method of nets in elliptic problems %J Doklady Akademii Nauk %D 1966 %P 27-30 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a5/ %G ru %F DAN_1966_170_1_a5