@article{CM_1971__23_4_461_0,
     author = {Altman, Allen and Kleiman, Steven L.},
     title = {On the purity of the branch locus},
     journal = {Compositio Mathematica},
     pages = {461--465},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {23},
     number = {4},
     year = {1971},
     mrnumber = {308118},
     zbl = {0242.14001},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1971__23_4_461_0/}
}