@article{CMH_1995__70_3_140361,
     author = {Allen Hatcher},
     title = {Homological stability for automorphism groups of free groups.},
     journal = {Commentarii mathematici Helvetici},
     pages = {39--62},
     year = {1995},
     volume = {70},
     number = {3},
     zbl = {0836.57003},
     url = {http://geodesic.mathdoc.fr/item/CMH_1995__70_3_140361/}
}