%0 Journal Article %A V. D. Charushnikov %T A certain class of projection methods %J Differencialʹnye uravneniâ %D 1972 %P 147-153 %V 8 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_1_a16/ %G ru %F DE_1972_8_1_a16