@article{MZM_1994_56_2_a11,
     author = {A. V. Bolsinov and A. T. Fomenko},
     title = {Integrable geodesic flows on the sphere, generated by {Goryachev--Chaplygin} and {Kowalewski} systems in the dynamics of a rigid body},
     journal = {Matemati\v{c}eskie zametki},
     pages = {139--142},
     publisher = {mathdoc},
     volume = {56},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_2_a11/}
}