TY - JOUR AU - Masat, Francis E. TI - Idempotents and inverses in conventional semigroups JO - Czechoslovak Mathematical Journal PY - 1982 SP - 384 EP - 388 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101814/ DO - 10.21136/CMJ.1982.101814 LA - en ID - 10_21136_CMJ_1982_101814 ER -