@article{GT_2013_17_3_a6,
     author = {Handel, Michael and Mosher, Lee},
     title = {The free splitting complex of a free group, {I} {Hyperbolicity}},
     journal = {Geometry & topology},
     pages = {1581--1670},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2013},
     doi = {10.2140/gt.2013.17.1581},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2013.17.1581/}
}