%0 Journal Article %A A. Yu. Kolesov %A N. Kh. Rozov %T On $C^1$-approximation of solutions of systems of differential %J Doklady Akademii Nauk %D 1996 %P 162-164 %V 349 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_349_2_a4/ %G ru %F DAN_1996_349_2_a4