@article{GDZPPN002205890,
title = {Injectivity radius and low eigenvalues of hyperbolic manifolds.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {390},
year = {1988},
pages = {117-129},
zbl = {0641.53041},
url = {http://dml.mathdoc.fr/item/GDZPPN002205890}
}
Brooks, Robert. Injectivity radius and low eigenvalues of hyperbolic manifolds.. Journal für die reine und angewandte Mathematik, Tome 390 (1988) pp. 117-129. http://gdmltest.u-ga.fr/item/GDZPPN002205890/