@article{GDZPPN002112035,
title = {Tubular neighborhoods of totally geodesic hypersurfaces in hyperbolic mainfolds.},
journal = {Inventiones mathematicae},
volume = {115},
year = {1994},
pages = {207-226},
zbl = {0809.53052},
url = {http://dml.mathdoc.fr/item/GDZPPN002112035}
}
Basmajian, Ara. Tubular neighborhoods of totally geodesic hypersurfaces in hyperbolic mainfolds.. Inventiones mathematicae, Tome 115 (1994) pp. 207-226. http://gdmltest.u-ga.fr/item/GDZPPN002112035/