%0 Journal Article %A Numakura, Katsumi %T Notes on compact rings with open radical %J Czechoslovak Mathematical Journal %D 1983 %P 101-106 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101859/ %R 10.21136/CMJ.1983.101859 %G en %F 10_21136_CMJ_1983_101859