TY - JOUR AU - Abrhan, Imrich TI - On minimal ideals in semigroups with respect to their subsets. I. JO - Mathematica Bohemica PY - 1997 SP - 1 EP - 12 VL - 122 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126184/ DO - 10.21136/MB.1997.126184 LA - en ID - 10_21136_MB_1997_126184 ER -