%0 Journal Article %A A. L. Goncharov %T A method for the introduction of local artificial viscosity into difference equations %J Differencialʹnye uravneniâ %D 1987 %P 1275-1278 %V 23 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_7_a18/ %G ru %F DE_1987_23_7_a18