%0 Journal Article %A L. D. Kudryavtsev %T Existence and uniqueness of solutions of ordinary differential %J Doklady Akademii Nauk %D 1991 %P 799-803 %V 320 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a5/ %G ru %F DAN_1991_320_4_a5