@article{10_4171_ggd_361,
     author = {Camille Horbez},
     title = {A short proof of {Handel} and {Mosher's} alternative for subgroups of {Out}$(F_N)$},
     journal = {Groups, geometry, and dynamics},
     pages = {709--721},
     year = {2016},
     volume = {10},
     number = {2},
     doi = {10.4171/ggd/361},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/361/}
}