@incollection{AST_1989__171-172__73_0,
     author = {Lusztig, George},
     title = {Representations of affine {Hecke} algebras},
     booktitle = {Orbites unipotentes et repr\'esentations - II. Groupes $p$-adiques et r\'eels},
     series = {Ast\'erisque},
     pages = {73--84},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {171-172},
     year = {1989},
     mrnumber = {1021500},
     zbl = {0699.22027},
     language = {en},
     url = {http://archive.numdam.org/item/AST_1989__171-172__73_0/}
}