@article{GDZPPN002418061,
title = {Growth of Jacobi Fields and Divergence of Geodesics.},
journal = {Mathematische Zeitschrift},
volume = {147},
year = {1976},
pages = {221-238},
url = {http://dml.mathdoc.fr/item/GDZPPN002418061}
}
Eschenburg, J.-H.; O'Sullivan, J.J. Growth of Jacobi Fields and Divergence of Geodesics.. Mathematische Zeitschrift, Tome 147 (1976) pp. 221-238. http://gdmltest.u-ga.fr/item/GDZPPN002418061/