TY - JOUR AU - M.P. Dorofeeva TI - Hereditary and semi-hereditary monoids. JO - Semigroup forum PY - 1972 SP - 301 EP - 311 VL - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1972__4_133909/ ID - SF_1972__4_133909 ER -