TY - JOUR AU - Blyth, T. S. AU - Pinto, G. A. TI - Principally ordered regular semigroups JO - Glasgow mathematical journal PY - 1990 SP - 349 EP - 364 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009435/ DO - 10.1017/S0017089500009435 ID - 10_1017_S0017089500009435 ER -