TY - JOUR AU - Nicholson, W. K. AU - Watters, J. F. TI - Normal radicals and normal classes of modules JO - Glasgow mathematical journal PY - 1988 SP - 97 EP - 100 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007060/ DO - 10.1017/S0017089500007060 ID - 10_1017_S0017089500007060 ER -