@article{IM_1976__38_142444,
     author = {G. Lusztig},
     title = {Coxeter {Orbits} and {Eigenspaces} of {Frobenius}},
     journal = {Inventiones mathematicae},
     pages = {101--160},
     year = {1976},
     volume = {38},
     zbl = {0366.20031},
     url = {http://geodesic.mathdoc.fr/item/IM_1976__38_142444/}
}