TY  - JOUR
AU  - Sands, A. D.
TI  - On invariant radicals
JO  - Canadian mathematical bulletin
PY  - 1989
SP  - 255
EP  - 256
VL  - 32
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-038-2/
DO  - 10.4153/CMB-1989-038-2
ID  - 10_4153_CMB_1989_038_2
ER  -