@article{VMUMM_1988_3_a8,
     author = {S. A. Abdel{\textquoteright}khafiz},
     title = {Evolution of the rotations of a symmetric gyrostat with elastic ring about the center of mass of a body},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {34--37},
     publisher = {mathdoc},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_3_a8/}
}