@article{1077315386,
author = {Greene, R. E. and Wu, H.},
title = {Gap theorems for noncompact Riemannian manifolds},
journal = {Duke Math. J.},
volume = {49},
number = {1},
year = {1982},
pages = { 731-756},
language = {en},
url = {http://dml.mathdoc.fr/item/1077315386}
}
Greene, R. E.; Wu, H. Gap theorems for noncompact Riemannian manifolds. Duke Math. J., Tome 49 (1982) no. 1, pp. 731-756. http://gdmltest.u-ga.fr/item/1077315386/