TY - JOUR AU - S. Subbiah TI - Another proof of a theorem of Evans. JO - Semigroup forum PY - 1974 SP - 93 EP - 94 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SF_1974__6_133965/ ID - SF_1974__6_133965 ER -