%0 Journal Article %A Kazuhiro Konno %T Algebraic surfaces of general type with c21 = 3pg - 6. %J Mathematische Annalen %D 1991 %P 77-108 %V 290 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1991__290_4_164812/ %F MAN_1991__290_4_164812