@article{02017792,
title = {A very short proof of Forester's rigidity result.},
journal = {Geometry \& Topology},
volume = {7},
year = {2003},
pages = {321-328},
doi = {10.2140/gt.2003.7.321},
zbl = {1032.20018},
language = {en},
url = {http://dml.mathdoc.fr/item/02017792}
}
Guirardel, Vincent. A very short proof of Forester's rigidity result.. Geometry & Topology, Tome 7 (2003) pp. 321-328. doi : 10.2140/gt.2003.7.321. http://gdmltest.u-ga.fr/item/02017792/