%0 Journal Article %A O. A. Zhautykov %T Denumerable systems of differential equations and their applications %J Differencialʹnye uravneniâ %D 1965 %P 162-170 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_2_a2/ %G ru %F DE_1965_1_2_a2