%0 Journal Article %A Nathan Habegger %A Leslie Saper %T Intersection cohomology of cs-spaces and Zeeman's filtration. %J Inventiones mathematicae %D 1991 %P 247-272 %V 105 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1991__105_3_143913/ %F IM_1991__105_3_143913