%0 Journal Article %A M. V. Shamolin %T Closed trajectories of various topological types in the problem of the motion of a body in a resisting medium %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1992 %P 52-56 %N 2 %U http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a10/ %G ru %F VMUMM_1992_2_a10