@article{PMIHES_2007__105__1_0,
     author = {Farb, Benson and Handel, Michael},
     title = {Commensurations of {Out}$(F_n)$},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {1--48},
     publisher = {Springer},
     volume = {105},
     year = {2007},
     doi = {10.1007/s10240-007-0007-7},
     language = {en},
     url = {http://www.numdam.org/articles/10.1007/s10240-007-0007-7/}
}