@article{DAN_1957_113_2_a11,
     author = {V. V. Beletskii},
     title = {Integrability of equations of motion of a solid around a fixed point under the action of a central {Newtonian} field of force},
     journal = {Doklady Akademii Nauk},
     pages = {287--290},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a11/}
}