@article{JOLT_2009_19_1_a0,
     author = {Y. Zhao},
     title = {Composition {Series} for a {Family} of {Modules} of {Nongraded} {Hamiltonial} {Type} {Lie} {Algebras}},
     journal = {Journal of Lie Theory},
     pages = {1--27},
     year = {2009},
     volume = {19},
     number = {1},
     zbl = {1186.17005},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2009_19_1_a0/}
}