@article{GDZPPN002340690,
title = {Unknotting tunnels in hyperbolic 3-manifolds.},
journal = {Mathematische Annalen},
volume = {302},
year = {1995},
pages = {177-196},
zbl = {0830.57009},
url = {http://dml.mathdoc.fr/item/GDZPPN002340690}
}
Adams, Colin. Unknotting tunnels in hyperbolic 3-manifolds.. Mathematische Annalen, Tome 302 (1995) pp. 177-196. http://gdmltest.u-ga.fr/item/GDZPPN002340690/