%0 Journal Article %A Kota Yoshioka %T The Betti numbers of the moduli space of stable sheaves of rank 2 on a ruled surface. %J Mathematische Annalen %D 1995 %P 519-540 %V 302 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1995__302_2_165342/ %F MAN_1995__302_2_165342