@article{DAN_1987_294_2_a5,
     author = {A. T. Fomenko and H. Zieschang},
     title = {On the topology of three-dimensional manifolds arising in {Hamiltonian} mechanics},
     journal = {Doklady Akademii Nauk},
     pages = {283--287},
     year = {1987},
     volume = {294},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_2_a5/}
}