@article{IM_1981__64_142823, author = {George Lusztig}, title = {Unipotent {Characters} of the {Sympletic} and {Odd} {Orthogonal} {Groups} {Over} a {Finite} {Field.}}, journal = {Inventiones mathematicae}, pages = {263--296}, publisher = {mathdoc}, volume = {64}, year = {1981}, zbl = {0477.20023}, url = {http://geodesic.mathdoc.fr/item/IM_1981__64_142823/} }