TY - JOUR AU - Catino, Francesco TI - On complete $\alpha$-ideals in semigroups JO - Czechoslovak Mathematical Journal PY - 1990 SP - 155 EP - 158 VL - 40 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102366/ DO - 10.21136/CMJ.1990.102366 LA - en ID - 10_21136_CMJ_1990_102366 ER -