@article{10_4153_CMB_1969_022_3,
     author = {Marsden, J. E.},
     title = {Hamiltonian {Systems} with {Spin}},
     journal = {Canadian mathematical bulletin},
     pages = {203--208},
     year = {1969},
     volume = {12},
     number = {2},
     doi = {10.4153/CMB-1969-022-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-022-3/}
}