%0 Journal Article %A Stembridge, John R. %T A short derivation of the Möbius function for the Bruhat order. %J Journal of Algebraic Combinatorics %D 2007 %P 141-148 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2007__25_2_a5/ %G en %F JAC_2007__25_2_a5