Izumiya, Shyuichi; Saji, Kentaro; Takahashi, Masatomo Horospherical flat surfaces in hyperbolic 3-space. (English) Zbl 1205.53065 J. Math. Soc. Japan 62, No. 3, 789-849 (2010). Reviewer: Dorin Andrica (Cluj-Napoca) MSC: 53C42 53A35 57R45 58K40 PDFBibTeX XMLCite \textit{S. Izumiya} et al., J. Math. Soc. Japan 62, No. 3, 789--849 (2010; Zbl 1205.53065) Full Text: DOI
Izumiya, Shyuichi; Romero Fuster, María del Carmen The horospherical Gauss-Bonnet type theorem in hyperbolic space. (English) Zbl 1111.53042 J. Math. Soc. Japan 58, No. 4, 965-984 (2006). Reviewer: Hans Sachs (Leoben) MSC: 53C40 53A35 PDFBibTeX XMLCite \textit{S. Izumiya} and \textit{M. d. C. Romero Fuster}, J. Math. Soc. Japan 58, No. 4, 965--984 (2006; Zbl 1111.53042) Full Text: DOI Euclid