@article{10_4007_annals_2003_158_115, author = {Lee Mosher and Michah Sageev and Kevin Whyte}, title = {Quasi-actions on trees {I.} {Bounded} valence}, journal = {Annals of mathematics}, pages = {115--164}, publisher = {mathdoc}, volume = {158}, number = {1}, year = {2003}, doi = {10.4007/annals.2003.158.115}, mrnumber = {1998479}, zbl = {1038.20016}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2003.158.115/} }