TY - JOUR AU - W.D. Munn TI - Embedding semigroups in congruence-free semigroups. JO - Semigroup forum PY - 1972 SP - 46 EP - 60 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1972__4_133876/ ID - SF_1972__4_133876 ER -