%0 Journal Article %A PuczyƂowski, E. R. %T On Sands' questions concerning strong and hereditary radicals %J Glasgow mathematical journal %D 1986 %P 1-3 %V 28 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006248/ %R 10.1017/S0017089500006248 %F 10_1017_S0017089500006248