Nomizu, Katsumi, and Yano, Kentaro. "On Circles and Spheres in Riemannian Geometry.." Mathematische Annalen 210 (1974): 163-170. <http://eudml.org/doc/162616>.
@article{Nomizu1974, author = {Nomizu, Katsumi, Yano, Kentaro}, journal = {Mathematische Annalen}, pages = {163-170}, title = {On Circles and Spheres in Riemannian Geometry.}, url = {http://eudml.org/doc/162616}, volume = {210}, year = {1974}, }
TY - JOUR AU - Nomizu, Katsumi AU - Yano, Kentaro TI - On Circles and Spheres in Riemannian Geometry. JO - Mathematische Annalen PY - 1974 VL - 210 SP - 163 EP - 170 UR - http://eudml.org/doc/162616 ER -
