@article{05052474,
title = {Distortion in transformation groups (with an appendix by Yves de Cornulier).},
journal = {Geometry \& Topology},
volume = {6},
year = {2006},
pages = {267-293},
doi = {10.2140/gt.2006.10.267},
zbl = {1106.37017},
language = {en},
url = {http://dml.mathdoc.fr/item/05052474}
}
Calegari, Danny; Freedman, Michael H. Distortion in transformation groups (with an appendix by Yves de Cornulier).. Geometry & Topology, Tome 6 (2006) pp. 267-293. doi : 10.2140/gt.2006.10.267. http://gdmltest.u-ga.fr/item/05052474/