@article{VMUMM_2009_5_a17,
     author = {L. A. Klimina},
     title = {Rotational modes of motion for an aerodynamic pendulum with a vertical rotation axis},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {71--75},
     year = {2009},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2009_5_a17/}
}