TY - JOUR AU - Satyanarayana, M. TI - A class of commutative semigroups in which the idempotents are linearly ordered JO - Czechoslovak Mathematical Journal PY - 1971 SP - 633 EP - 637 VL - 21 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101062/ DO - 10.21136/CMJ.1971.101062 LA - en ID - 10_21136_CMJ_1971_101062 ER -