@article{VMUMM_2002_1_a12,
     author = {S. V. Litvinov},
     title = {Stability of rotating systems subjected to tracking forces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {59--61},
     year = {2002},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2002_1_a12/}
}