%0 Journal Article %A Conrad, Paul F. %T The hulls of semiprime rings %J Czechoslovak Mathematical Journal %D 1978 %P 59-86 %V 28 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101514/ %R 10.21136/CMJ.1978.101514 %G en %F 10_21136_CMJ_1978_101514