%0 Journal Article %A V. I. Blagodatskikh %T The differentiability of solutions with respect to the initial conditions %J Differencialʹnye uravneniâ %D 1973 %P 2136-2140 %V 9 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_12_a1/ %G ru %F DE_1973_9_12_a1