@article{10_1017_S0017089500005449,
     author = {Cohen, S. D. and Stothers, W. W.},
     title = {The {Galois} group of f(xr)},
     journal = {Glasgow mathematical journal},
     pages = {75--91},
     year = {1984},
     volume = {25},
     number = {1},
     doi = {10.1017/S0017089500005449},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005449/}
}