%0 Journal Article %A Yu. M. Krivonos %A B. A. Galanov %T A certain method of differential descent %J Differencialʹnye uravneniâ %D 1969 %P 1426-1430 %V 5 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_8_a8/ %G ru %F DE_1969_5_8_a8