@article{1029001150,
author = {Gray, Alfred},
title = {The volume of a small geodesic ball of a Riemannian manifold.},
journal = {Michigan Math. J.},
volume = {20},
number = {4},
year = {1974},
pages = { 329-344},
language = {en},
url = {http://dml.mathdoc.fr/item/1029001150}
}
Gray, Alfred. The volume of a small geodesic ball of a Riemannian manifold.. Michigan Math. J., Tome 20 (1974) no. 4, pp. 329-344. http://gdmltest.u-ga.fr/item/1029001150/