@article{1256054993,
author = {Thorpe, John A.},
title = {On the curvatures of Riemannian manifolds},
journal = {Illinois J. Math.},
volume = {10},
number = {4},
year = {1966},
pages = { 412-417},
language = {en},
url = {http://dml.mathdoc.fr/item/1256054993}
}
Thorpe, John A. On the curvatures of Riemannian manifolds. Illinois J. Math., Tome 10 (1966) no. 4, pp. 412-417. http://gdmltest.u-ga.fr/item/1256054993/