TY - JOUR AU - W.Homer Carlisle TI - Subdirectly irreducible H-semigroups. JO - Semigroup forum PY - 1974 SP - 28 EP - 35 VL - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1974__9_134057/ ID - SF_1974__9_134057 ER -