@article{VMUMM_1989_3_a26,
     author = {O. Yu. Agareva},
     title = {On regular precessions of a rigid body suspended on a string},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {85--88},
     publisher = {mathdoc},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1989_3_a26/}
}