TY  - JOUR
AU  - Florian Luca
AU  - Igor E. Shparlinski
TI  - Average multiplicative orders of elements modulo $n$
JO  - Acta Arithmetica
PY  - 2003
SP  - 387
EP  - 411
VL  - 109
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa109-4-7/
DO  - 10.4064/aa109-4-7
LA  - en
ID  - 10_4064_aa109_4_7
ER  -