%0 Journal Article %A I. V. Fryazinov %T The balance method and variational-difference schemes %J Differencialʹnye uravneniâ %D 1980 %P 1332-1343 %V 16 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_7_a17/ %G ru %F DE_1980_16_7_a17