01028nam--2200325---450099000107596020331620020507104821.0000107596USA01000107596(ALEPH)000107596USA0100010759620020507d1979----km-y0ENGy0103----baengDEApproximate identities and factorization in Banach ModulesRobert S. Doran and Josef WichmannBerlinSpringer verlag1979X, 305 p.ill.24 cmLecture notes in mathematics7682001Lecture notes in mathematics768517.52DORAN,Robert S.52857ITsalbcISBD990001075960203316510 LNM 768895551000109867BKSCIALESSANDRA9020020507USA011048PATRY9020040406USA011714Approximate identities and factorization in Banach modules262505UNISA