@article{PMIHES_2005__101__209_0,
     author = {Kaufman, Robert and Tyson, Jeremy T. and Wu, Jang-Mei},
     title = {Smooth quasiregular maps with branching in $\mathbf {R}^n$},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {209--241},
     publisher = {Springer},
     volume = {101},
     year = {2005},
     doi = {10.1007/s10240-005-0031-4},
     zbl = {1078.30015},
     language = {en},
     url = {http://www.numdam.org/articles/10.1007/s10240-005-0031-4/}
}