%0 Journal Article %A Anders Björner %A Torsten Ekedahl %T On the shape of Bruhat intervals %J Annals of mathematics %D 2009 %P 799-817 %V 170 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.799/ %R 10.4007/annals.2009.170.799 %G en %F 10_4007_annals_2009_170_799