%0 Journal Article %A È. I. Kucherenko %T Justification of the finite element method for a boundary value %J Doklady Akademii Nauk %D 1987 %P 1302-1306 %V 295 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_295_6_a3/ %G ru %F DAN_1987_295_6_a3