%0 Journal Article %A S. Benarab %T On Chaplygin's theorem for an implicit differential equation of order~$n$ %J Vestnik rossijskih universitetov. Matematika %D 2021 %P 225-233 %V 26 %N 135 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2021_26_135_a0/ %G ru %F VTAMU_2021_26_135_a0