TY - JOUR AU - A. Wannebo TI - Representations of ordered semigroups by real numbers. JO - Semigroup forum PY - 1981 SP - 221 EP - 232 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1981__23_134514/ ID - SF_1981__23_134514 ER -