@article{10_1017_S0017089500009186,
     author = {Stothers, W. W.},
     title = {On permutation polynomials whose difference is linear},
     journal = {Glasgow mathematical journal},
     pages = {165--171},
     year = {1990},
     volume = {32},
     number = {2},
     doi = {10.1017/S0017089500009186},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009186/}
}