@article{1240434765, author = {NASU, Toshio}, title = {Curvature and metric in Riemannian 3-manifolds}, journal = {J. Math. Soc. Japan}, volume = {27}, number = {4}, year = {1975}, pages = { 194-206}, language = {en}, url = {http://dml.mathdoc.fr/item/1240434765} }
NASU, Toshio. Curvature and metric in Riemannian 3-manifolds. J. Math. Soc. Japan, Tome 27 (1975) no. 4, pp. 194-206. http://gdmltest.u-ga.fr/item/1240434765/