TY  - BOOK
AU  - Doran, Robert S
AU  - Wichmann, Josef
TI  - Approximate identities and factorization in banach modules
T2  - Lecture Notes in Mathematics, No.0768
U1  - R  LNM.0768 
PY  - 1979///
CY  - Springer-Verlag, Berlin
KW  - Lecture Notes in Mathematics
ER  -