%0 Journal Article %A I.-Hsun Tsai %T Negatively curved metrics on Kaira surfaces. %J Mathematische Annalen %D 1989 %P 369-380 %V 285 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164606/ %F MAN_1989__285_1_164606