@article{IM_1976__37_142428,
     author = {M.A. Olshanetsky and A.M. perelomov},
     title = {Completely {Integrable} {Hamiltonian} {Systems} {Connected} with {Semisimple} {Lie} {Algebras.}},
     journal = {Inventiones mathematicae},
     pages = {93--108},
     publisher = {mathdoc},
     volume = {37},
     year = {1976},
     zbl = {0342.58017},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__37_142428/}
}