@article{10_1090_S0894_0347_03_00435_1,
     author = {Wewers, Stefan},
     title = {Three point covers with bad reduction},
     journal = {Journal of the American Mathematical Society},
     pages = {991--1032},
     year = {2003},
     volume = {16},
     number = {4},
     doi = {10.1090/S0894-0347-03-00435-1},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-03-00435-1/}
}