%0 Journal Article %A Iku Nakamura %T Inoue-Hirzebruch Surfaces and a Duality of Hyperbolic Unimodular Singularities. I. %J Mathematische Annalen %D 1980 %P 221-236 %V 252 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1980__252_163458/ %F MAN_1980__252_163458