@article{DAN_1988_298_2_a9,
     author = {V. N. Bogaevskii and L. A. Ostrer},
     title = {On the stability of permanent rotations of a rigid body},
     journal = {Doklady Akademii Nauk},
     pages = {304--307},
     year = {1988},
     volume = {298},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_2_a9/}
}