TY - JOUR AU - J.W. Nichols TI - A class of maximal inverse subsemigroups of TX. JO - Semigroup forum PY - 1976 SP - 187 EP - 188 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1976__13_134210/ ID - SF_1976__13_134210 ER -