TY - JOUR AU - Rothman, Neal J. TI - Duality and algebraically irreducible semigroups JO - Czechoslovak Mathematical Journal PY - 1973 SP - 24 EP - 29 VL - 23 IS - 1 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101141/ DO - 10.21136/CMJ.1973.101141 LA - en ID - 10_21136_CMJ_1973_101141 ER -