00803nam0-22002651i-450-990001149620403321000114962FED01000114962(Aleph)000114962FED0100011496220000920d1979----km-y0itay50------baengApproximate identities and factorization in Banach modulesde Doran and WichmannBerlin [etc.]Springer-Verlag1979Lecture Notes in Mathematics768Doran,Robert54959Wichmann,JosefITUNINARICAUNIMARCBK990001149620403321C-20-(76819909MA1MA1Approximate identities and factorization in Banach modules344442UNINAING01