TY - JOUR AU - Lau, August TI - Finite Abelian semigroups represented into the power set of finite groups JO - Czechoslovak Mathematical Journal PY - 1979 SP - 159 EP - 162 VL - 29 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1979.101590/ DO - 10.21136/CMJ.1979.101590 LA - en ID - 10_21136_CMJ_1979_101590 ER -