%0 Journal Article %A Louis J. Billera %A Margaret M. Bayer %T Generalized Dehn-Sommerville relations for polytopes, spheres and Eulerian partially orderd sets. %J Inventiones mathematicae %D 1985 %P 143-158 %V 79 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1985__79_143189/ %F IM_1985__79_143189