@article{10_4153_CMB_1990_036_3,
     author = {Cohen, Stephen D.},
     title = {Proof of a {Conjecture} of {Chowla} and {Zassenhaus} on {Permutation} {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {230--234},
     year = {1990},
     volume = {33},
     number = {2},
     doi = {10.4153/CMB-1990-036-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-036-3/}
}