TY - JOUR AU - G.R. Baird AU - G. Thierrin TI - On semigroups in which every Rees one-sided congruence is a congruence. JO - Semigroup forum PY - 1972 SP - 215 EP - 223 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1972__4_133896/ ID - SF_1972__4_133896 ER -