%0 Journal Article %A Yujiro Kawamata %T Abundance theorem for minimal threefolds. %J Inventiones mathematicae %D 1992 %P 229-246 %V 108 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1992__108_2_143993/ %F IM_1992__108_2_143993