Ikawa, Toshihiko; Erdogan, Mehmet Jacobi’s theorem in Lorentzian geometry. (English) Zbl 1015.53005 Bull. Inst. Math., Acad. Sin. 30, No. 2, 79-88 (2002). Reviewer: Manfred Husty (Innsbruck) MSC: 53A35 53B30 PDFBibTeX XMLCite \textit{T. Ikawa} and \textit{M. Erdogan}, Bull. Inst. Math., Acad. Sin. 30, No. 2, 79--88 (2002; Zbl 1015.53005)
Altin, Ayse On the Gauss map of surfaces of revolution in \(R_1^3\). (English) Zbl 0972.53015 Bull. Inst. Math., Acad. Sin. 28, No. 2, 131-140 (2000). Reviewer: T.Okubo (Victoria) MSC: 53B25 53B30 PDFBibTeX XMLCite \textit{A. Altin}, Bull. Inst. Math., Acad. Sin. 28, No. 2, 131--140 (2000; Zbl 0972.53015)
Dillen, Franki; Pas, Johan; Verstraelen, Leopold On the Gauss map of surfaces of revolution. (English) Zbl 0727.53005 Bull. Inst. Math., Acad. Sin. 18, No. 3, 239-246 (1990). Reviewer: St.Hineva (Sofia) MSC: 53A05 PDFBibTeX XMLCite \textit{F. Dillen} et al., Bull. Inst. Math., Acad. Sin. 18, No. 3, 239--246 (1990; Zbl 0727.53005)
Millman, Richard S. The normal degree of immersions. (English) Zbl 0448.53039 Bull. Inst. Math., Acad. Sin. 8, 241-249 (1980). MSC: 53C40 53C42 53B25 PDFBibTeX XMLCite \textit{R. S. Millman}, Bull. Inst. Math., Acad. Sin. 8, 241--249 (1980; Zbl 0448.53039)