@article{GDZPPN002095874,
title = {Kostant's Problem, Goldie Rank and the Gelfand-Kirillov Conjecture.},
journal = {Inventiones mathematicae},
volume = {56},
year = {1980},
pages = {191-214},
zbl = {0446.17006},
url = {http://dml.mathdoc.fr/item/GDZPPN002095874}
}
Joseph, A. Kostant's Problem, Goldie Rank and the Gelfand-Kirillov Conjecture.. Inventiones mathematicae, Tome 56 (1980) pp. 191-214. http://gdmltest.u-ga.fr/item/GDZPPN002095874/