TY - JOUR AU - M. V. Shamolin TI - Closed trajectories of various topological types in the problem of the motion of a body in a resisting medium JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1992 SP - 52 EP - 56 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a10/ LA - ru ID - VMUMM_1992_2_a10 ER -