@article{10_4153_CMB_2011_102_2,
     author = {Ndogmo, J. C.},
     title = {Casimir {Operators} and {Nilpotent} {Radicals}},
     journal = {Canadian mathematical bulletin},
     pages = {579--585},
     year = {2012},
     volume = {55},
     number = {3},
     doi = {10.4153/CMB-2011-102-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-102-2/}
}