@article{10_4153_CMB_2002_053_4,
     author = {Berman, Stephen and Morita, Jun and Yoshii, Yoji},
     title = {Some {Factorizations} in {Universal} {Enveloping} {Algebras} of {Three} {Dimensional} {Lie} {Algebras} and {Generalizations}},
     journal = {Canadian mathematical bulletin},
     pages = {525--536},
     year = {2002},
     volume = {45},
     number = {4},
     doi = {10.4153/CMB-2002-053-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-053-4/}
}