@article{10_2140_agt_2004_4_543,
     author = {Jensen, Craig and Wahl, Nathalie},
     title = {Automorphisms of free groups with boundaries},
     journal = {Algebraic and Geometric Topology},
     pages = {543--569},
     year = {2004},
     volume = {4},
     number = {1},
     doi = {10.2140/agt.2004.4.543},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.543/}
}