%0 Journal Article %A S. M. Gerashchenko %T The forcing of sliding conditions in the method of differential descent %J Differencialʹnye uravneniâ %D 1968 %P 1158-1160 %V 4 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_6_a23/ %G ru %F DE_1968_4_6_a23