Canfes, E. Ö. and Özdeğer, A. (2013) “A characterization of totally umbilical hypersurfaces of a space form by geodesic mapping”,
Ukrains’kyi Matematychnyi Zhurnal, 65(4), pp. 583–587. Available at:
https://umj.imath.kiev.ua/index.php/umj/article/view/2441 (Accessed: 16 April 2025).