@article{10_4153_CJM_2003_036_7,
     author = {Su, Yucai},
     title = {Poisson {Brackets} and {Structure} of {Nongraded} {Hamiltonian} {Lie} {Algebras} {Related} to {Locally-Finite} {Derivations}},
     journal = {Canadian journal of mathematics},
     pages = {856--896},
     year = {2003},
     volume = {55},
     number = {4},
     doi = {10.4153/CJM-2003-036-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2003-036-7/}
}