TY - JOUR AU - J. Wójcik TI - On the congruence $f(x^k) ≡ 0 mod q$, where q is a prime and f is a k-normal polynomial JO - Acta Arithmetica PY - 1982 SP - 151 EP - 161 VL - 41 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-41-2-151-161/ DO - 10.4064/aa-41-2-151-161 LA - en ID - 10_4064_aa_41_2_151_161 ER -