TY - JOUR AU - Wiegandt, Richard TI - On the structure of lower radical semigroups JO - Czechoslovak Mathematical Journal PY - 1972 SP - 1 EP - 6 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1972.101074/ DO - 10.21136/CMJ.1972.101074 LA - en ID - 10_21136_CMJ_1972_101074 ER -