Mikeš, Josef; Sobchuk, V. S. Geodesic mappings of 3-symmetric Riemannian spaces. (English. Russian original) Zbl 0835.53058 J. Math. Sci., New York 69, No. 1, 885-888 (1994); translation from Ukr. Geom. Sb. 34, 80-83 (1991). MSC: 53C35 PDFBibTeX XMLCite \textit{J. Mikeš} and \textit{V. S. Sobchuk}, J. Math. Sci., New York 69, No. 1, 885--888 (1991; Zbl 0835.53058); translation from Ukr. Geom. Sb. 34, 80--83 (1991) Full Text: DOI
Sobchuk, V. S. Almost geodesic mappings of Riemann spaces onto symmetric Riemann spaces. (English) Zbl 0315.53017 Math. Notes 17, 450-454 (1975). MSC: 53B20 53C35 PDFBibTeX XMLCite \textit{V. S. Sobchuk}, Math. Notes 17, 450--454 (1975; Zbl 0315.53017) Full Text: DOI