TY  - JOUR
AU  - Kevin Broughan
AU  - Kevin Ford
AU  - Florian Luca
TI  - On square values of the product of the Euler totient and sum of divisors functions
JO  - Colloquium Mathematicum
PY  - 2013
SP  - 127
EP  - 137
VL  - 130
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm130-1-11/
DO  - 10.4064/cm130-1-11
LA  - en
ID  - 10_4064_cm130_1_11
ER  -