@article{DAN_1980_251_4_a3,
     author = {S. L. Ziglin},
     title = {Branching of solutions and the nonexistence of an additional first integral in the problem of motion of an asymmetric heavy rigid body relative to a fixed point},
     journal = {Doklady Akademii Nauk},
     pages = {786--790},
     publisher = {mathdoc},
     volume = {251},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_251_4_a3/}
}