TY - JOUR AU - O'Carroll, Liam TI - Inverse semigroups as extensions of semilattices JO - Glasgow mathematical journal PY - 1975 SP - 12 EP - 21 VL - 16 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002445/ DO - 10.1017/S0017089500002445 ID - 10_1017_S0017089500002445 ER -