@article{IM_1987__87_143417,
     author = {G. Lusztig and D. Kazhdan},
     title = {Proof of the {Deligne-Langlands} conjecture for {Hecke} algebras..},
     journal = {Inventiones mathematicae},
     pages = {153--216},
     publisher = {mathdoc},
     volume = {87},
     year = {1987},
     zbl = {0613.22004},
     url = {http://geodesic.mathdoc.fr/item/IM_1987__87_143417/}
}