TY - JOUR AU - Shuguang Li TI - On the number of elements with maximal order in the multiplicative group modulo n JO - Acta Arithmetica PY - 1998 SP - 113 EP - 132 VL - 86 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-86-2-113-132/ DO - 10.4064/aa-86-2-113-132 LA - en ID - 10_4064_aa_86_2_113_132 ER -