TY  - JOUR
AU  - Du, Xiankun
TI  - The Centers of a Radical Ring
JO  - Canadian mathematical bulletin
PY  - 1992
SP  - 174
EP  - 179
VL  - 35
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-025-0/
DO  - 10.4153/CMB-1992-025-0
ID  - 10_4153_CMB_1992_025_0
ER  -