TY - JOUR AU - A. T. Fomenko AU - H. Zieschang TI - On the topology of three-dimensional manifolds arising in Hamiltonian mechanics JO - Doklady Akademii Nauk PY - 1987 SP - 283 EP - 287 VL - 294 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_294_2_a5/ LA - ru ID - DAN_1987_294_2_a5 ER -