@article{1029003951,
author = {Wilkens, David L.},
title = {Bounded group actions on trees and hyperbolic and Lyndon length functions.},
journal = {Michigan Math. J.},
volume = {36},
number = {1},
year = {1989},
pages = { 303-308},
language = {en},
url = {http://dml.mathdoc.fr/item/1029003951}
}
Wilkens, David L. Bounded group actions on trees and hyperbolic and Lyndon length functions.. Michigan Math. J., Tome 36 (1989) no. 1, pp. 303-308. http://gdmltest.u-ga.fr/item/1029003951/