@article{SM_1995_82_1_a1,
     author = {A. V. Bolsinov and A. T. Fomenko},
     title = {Orbital equivalence of integrable {Hamiltonian} systems with two degrees of freedom. {A~classification} {theorem.~II}},
     journal = {Sbornik. Mathematics},
     pages = {21--63},
     publisher = {mathdoc},
     volume = {82},
     number = {1},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_82_1_a1/}
}