%0 Journal Article %A Wiegandt, Richard %T On the structure of lower radical semigroups %J Czechoslovak Mathematical Journal %D 1972 %P 1-6 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101074/ %R 10.21136/CMJ.1972.101074 %G en %F 10_21136_CMJ_1972_101074