%0 Journal Article %A S. N. Slugin %T A modification of the abstract analogue to Chaplygin's method %J Doklady Akademii Nauk %D 1958 %P 256-258 %V 120 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_120_2_a7/ %G ru %F DAN_1958_120_2_a7