%0 Journal Article %A Katsumi Nomizu %T Isometric Immersions of the Hyperbolic Plane into the Hyperbolic Space. %J Mathematische Annalen %D 1973 %P 181-192 %V 205 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1973__205_162488/ %F MAN_1973__205_162488