%0 Journal Article %A Hiraku Nakajima %T Moduli spaces of anti-self-dual connections on ALE gravitational instantons. %J Inventiones mathematicae %D 1990 %P 267-304 %V 102 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1990__102_2_143836/ %F IM_1990__102_2_143836