@article{IM_1976__34_142396,
     author = {G. Lusztig},
     title = {On the {Finiteness} of the {Number} of {Unipotent} {Classes.}},
     journal = {Inventiones mathematicae},
     pages = {201--214},
     publisher = {mathdoc},
     volume = {34},
     year = {1976},
     zbl = {0371.20039},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__34_142396/}
}