%0 Journal Article %A Nicholson, W. K. %A Watters, J. F. %T Normal radicals and normal classes of modules %J Glasgow mathematical journal %D 1988 %P 97-100 %V 30 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007060/ %R 10.1017/S0017089500007060 %F 10_1017_S0017089500007060