@article{1214429778, author = {Shiohama, Katsuhiro}, title = {The diameter of $\delta $-pinched manifolds}, journal = {J. Differential Geom.}, volume = {6}, number = {1}, year = {1971}, pages = { 61-74}, language = {en}, url = {http://dml.mathdoc.fr/item/1214429778} }
Shiohama, Katsuhiro. The diameter of $\delta $-pinched manifolds. J. Differential Geom., Tome 6 (1971) no. 1, pp. 61-74. http://gdmltest.u-ga.fr/item/1214429778/