%0 Journal Article %A B. Moishezon %A M. Teicher %T Simply-connected algebraic surfaces of positive index. %J Inventiones mathematicae %D 1987 %P 601-644 %V 89 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1987__89_143496/ %F IM_1987__89_143496