%0 Journal Article %A Renner, Lex E. %T Descent systems for Bruhat posets %J Journal of Algebraic Combinatorics %D 2009 %P 413-435 %V 29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2009__29_4_a6/ %G en %F JAC_2009__29_4_a6