TY - JOUR AU - Cohen, Stephen D. TI - Proof of a Conjecture of Chowla and Zassenhaus on Permutation Polynomials JO - Canadian mathematical bulletin PY - 1990 SP - 230 EP - 234 VL - 33 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-036-3/ DO - 10.4153/CMB-1990-036-3 ID - 10_4153_CMB_1990_036_3 ER -