@article{10_1090_S0894_0347_06_00539_X,
     author = {Xi, Nanhua},
     title = {Representations of affine {Hecke} algebras and based rings of affine {Weyl} groups},
     journal = {Journal of the American Mathematical Society},
     pages = {211--217},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {2007},
     doi = {10.1090/S0894-0347-06-00539-X},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-06-00539-X/}
}