@article{JOLT_2006_16_1_a12,
     author = {Hiroshi Oda and Toshio Oshima},
     title = {Minimal {Polynomials} and {Annihilators} of {Generalized} {Verma} {Modules} of the {Scalar} {Type}},
     journal = {Journal of Lie Theory},
     pages = {155--219},
     year = {2006},
     volume = {16},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2006_16_1_a12/}
}