%0 Journal Article %A A. Ya. Lepin %A A. D. Myshkis %T On boundedness conditions for the derivatives of bounded solutions of ordinary differential equations %J Differencialʹnye uravneniâ %D 1965 %P 1260-1263 %V 1 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_9_a10/ %G ru %F DE_1965_1_9_a10