%0 Journal Article %A L. D. Kudryavtsev %T Solutions of ordinary differential equations for which the %J Doklady Akademii Nauk %D 1992 %P 1024-1028 %V 323 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_323_6_a6/ %G ru %F DAN_1992_323_6_a6