%0 Journal Article %A Kieran G. O'Grady %T The irreducible components of moduli spaces of vector bundles on surfaces. %J Inventiones mathematicae %D 1993 %P 585-614 %V 112 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1993__112_3_144115/ %F IM_1993__112_3_144115