TY  - JOUR
AU  - Florian Luca
AU  - P. G. Walsh
TI  - On the number of nonquadratic residues
 which are not primitive roots
JO  - Colloquium Mathematicum
PY  - 2004
SP  - 91
EP  - 93
VL  - 100
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm100-1-8/
DO  - 10.4064/cm100-1-8
LA  - en
ID  - 10_4064_cm100_1_8
ER  -