TY - JOUR AU - Prabaharan, K. TI - Existence of Invariant Weak Units in Banach Lattices: Countably Generated Left Amenable Semigroup of Operators JO - Canadian journal of mathematics PY - 1993 SP - 1299 EP - 1312 VL - 45 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-073-1/ DO - 10.4153/CJM-1993-073-1 ID - 10_4153_CJM_1993_073_1 ER -