TY - JOUR AU - Petrich, Mario TI - Prime ideals of the cartesian product of two semigroups JO - Czechoslovak Mathematical Journal PY - 1962 SP - 150 EP - 152 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1962.100503/ DO - 10.21136/CMJ.1962.100503 LA - en ID - 10_21136_CMJ_1962_100503 ER -