Bajgonakova, G. A.; Mednykh, A. D. On Bretschneider’s formula for a spherical quadrilateral. (Russian) Zbl 1274.51022 Mat. Zamet. YAGU 19, No. 1, 3-11 (2012). Reviewer: V. A. Alexandrov (Novosibirsk) MSC: 51M25 51M10 PDFBibTeX XMLCite \textit{G. A. Bajgonakova} and \textit{A. D. Mednykh}, Mat. Zamet. YAGU 19, No. 1, 3--11 (2012; Zbl 1274.51022) Full Text: Link
Düben, Peter D.; Korn, Peter; Aizinger, Vadym A discontinuous/continuous low order finite element shallow water model on the sphere. (English) Zbl 1426.76252 J. Comput. Phys. 231, No. 6, 2396-2413 (2012). MSC: 76M10 76U05 86A05 PDFBibTeX XMLCite \textit{P. D. Düben} et al., J. Comput. Phys. 231, No. 6, 2396--2413 (2012; Zbl 1426.76252) Full Text: DOI
Weiss, Gunter; Hamann, Marco On elementary circle-geometry in Cayley-Klein planes. (English) Zbl 1236.51002 Beitr. Algebra Geom. 53, No. 1, 139-157 (2012). MSC: 51A25 51M09 51M15 PDFBibTeX XMLCite \textit{G. Weiss} and \textit{M. Hamann}, Beitr. Algebra Geom. 53, No. 1, 139--157 (2012; Zbl 1236.51002) Full Text: DOI