%0 Journal Article %A A. A. Samarskii %A V. F. Tishkin %A A. P. Favorski %A M. Yu. Shashkov %T On the representation of difference schemes of mathematical physics in operator form %J Doklady Akademii Nauk %D 1981 %P 1092-1096 %V 258 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_5_a16/ %G ru %F DAN_1981_258_5_a16