%0 Journal Article %A Akyıldız, Ersan %T On the Factorization of the Poincaré Polynomial: A Survey %J Serdica Mathematical Journal %D 2004 %P 159-176 %V 30 %N 2-3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2004_30_2-3_a3/ %G en %F SMJ2_2004_30_2-3_a3