@article{VMUMM_1992_2_a10,
     author = {M. V. Shamolin},
     title = {Closed trajectories of various topological types in the problem of the motion of a body in a resisting medium},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {52--56},
     publisher = {mathdoc},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_2_a10/}
}