@article{10_1090_S0894_0347_01_00383_6, author = {Huang, Jing-Song and Pand\v{z}i\'c, Pavle}, title = {Dirac cohomology, unitary representations and a proof of a conjecture of {Vogan}}, journal = {Journal of the American Mathematical Society}, pages = {185--202}, year = {2002}, volume = {15}, number = {1}, doi = {10.1090/S0894-0347-01-00383-6}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-01-00383-6/} }