@article{1178244707, author = {Sat\^o, Isuke}, title = {On Riemannian manifolds of separated curvature}, journal = {Tohoku Math. J. (2)}, volume = {10}, number = {3}, year = {1958}, pages = { 130-134}, language = {en}, url = {http://dml.mathdoc.fr/item/1178244707} }
Satô, Isuke. On Riemannian manifolds of separated curvature. Tohoku Math. J. (2), Tome 10 (1958) no. 3, pp. 130-134. http://gdmltest.u-ga.fr/item/1178244707/