@article{10_4007_annals_2005_161_1,
     author = {Mladen Bestvina and Mark Feighn and Michael Handel},
     title = {The {Tits} alternative for {Out}$(F_n)$ {II:} {A} {Kolchin} type theorem},
     journal = {Annals of mathematics},
     pages = {1--59},
     publisher = {mathdoc},
     volume = {161},
     number = {1},
     year = {2005},
     doi = {10.4007/annals.2005.161.1},
     mrnumber = {2150382},
     zbl = {1139.20026},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2005.161.1/}
}