@article{SM_2016_207_7_a0,
     author = {A. V. Belyaev},
     title = {Representation of solutions to the problem of the motion of a~heavy rigid body in the {Kovalevskaya} case in terms of {Weierstrass} $\zeta$- and $\wp$-functions and nonintegrability of the {Hess} case by quadratures},
     journal = {Sbornik. Mathematics},
     pages = {889--914},
     publisher = {mathdoc},
     volume = {207},
     number = {7},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_7_a0/}
}