TY - JOUR AU - Cohen, Stephen D. TI - Some arithmetical functions in finite fields JO - Glasgow mathematical journal PY - 1970 SP - 21 EP - 36 VL - 11 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S001708950000080X/ DO - 10.1017/S001708950000080X ID - 10_1017_S001708950000080X ER -