@article{IM2_1995_59_1_a2,
     author = {A. V. Bolsinov and A. T. Fomenko},
     title = {Orbital invariants of integrable {Hamiltonian} systems. {The} case of simple systems. {Orbital} classification of systems of {Euler} type in rigid body dynamics},
     journal = {Izvestiya. Mathematics },
     pages = {63--100},
     publisher = {mathdoc},
     volume = {59},
     number = {1},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_59_1_a2/}
}