Representations of Hecke algebras at roots of unity
Séminaire Bourbaki : volume 1997/98, exposés 835-849, Astérisque, no. 252 (1998), Exposé no. 836, 23 p. 
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Geck, Meinolf. Representations of Hecke algebras at roots of unity, dans Séminaire Bourbaki : volume 1997/98, exposés 835-849, Astérisque, no. 252 (1998), Exposé no. 836, 23 p. http://www.numdam.org/item/SB_1997-1998__40__33_0/

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