@article{SM_2015_206_5_a1,
     author = {A. V. Belyaev},
     title = {On the general solution of the problem of the motion of a~heavy rigid body in the {Hess} case},
     journal = {Sbornik. Mathematics},
     pages = {621--649},
     year = {2015},
     volume = {206},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_5_a1/}
}