@article{10_4171_ggd_116,
     author = {Mark Feighn and Michael Handel},
     title = {The {Recognition} {Theorem} for $\mathrm{Out}(F_n)$},
     journal = {Groups, geometry, and dynamics},
     pages = {39--106},
     year = {2011},
     volume = {5},
     number = {1},
     doi = {10.4171/ggd/116},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/116/}
}