%0 Journal Article %A S. V. Andreev %T On the theory of successive approximations %J Differencialʹnye uravneniâ %D 1974 %P 2057-2058 %V 10 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1974_10_11_a16/ %G ru %F DE_1974_10_11_a16