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@article{CM_1993__89_1_91_0, author = {Dyer, M. J.}, title = {Hecke algebras and shellings of {Bruhat} intervals}, journal = {Compositio Mathematica}, pages = {91--115}, publisher = {Kluwer Academic Publishers}, volume = {89}, number = {1}, year = {1993}, mrnumber = {1248893}, zbl = {0817.20045}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1993__89_1_91_0/} }
Dyer, M. J. Hecke algebras and shellings of Bruhat intervals. Compositio Mathematica, Tome 89 (1993) no. 1, pp. 91-115. http://geodesic.mathdoc.fr/item/CM_1993__89_1_91_0/