%0 Journal Article %A A. N. Kuznetsov %T Differentiable solutions to degenerate systems of ordinary equations %J Funkcionalʹnyj analiz i ego priloženiâ %D 1972 %P 41-51 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1972_6_2_a5/ %G ru %F FAA_1972_6_2_a5