TY  - JOUR
AU  - Bell, Howard E.
TI  - On the Power Map and Ring Commutativity
JO  - Canadian mathematical bulletin
PY  - 1978
SP  - 399
EP  - 404
VL  - 21
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-070-x/
DO  - 10.4153/CMB-1978-070-x
ID  - 10_4153_CMB_1978_070_x
ER  -