@article{1270042396, author = {TOJO, Koji}, title = {Extrinsic Hyperspheres of Naturally Reductive Homogeneous Spaces}, journal = {Tokyo J. of Math.}, volume = {20}, number = {2}, year = {1997}, pages = { 35-43}, language = {en}, url = {http://dml.mathdoc.fr/item/1270042396} }
TOJO, Koji. Extrinsic Hyperspheres of Naturally Reductive Homogeneous Spaces. Tokyo J. of Math., Tome 20 (1997) no. 2, pp. 35-43. http://gdmltest.u-ga.fr/item/1270042396/