TY - JOUR AU - Pirnot, Thomas L. TI - Certain congruences on a completely regular semigroup JO - Glasgow mathematical journal PY - 1974 SP - 109 EP - 120 VL - 15 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002275/ DO - 10.1017/S0017089500002275 ID - 10_1017_S0017089500002275 ER -