TY  - BOOK
AU  - Castillo, Jesús M. F
AU  - González, Manuel
TI  - Three-space problems in Banach space theory
SN  - 9783540633440
SN  - 97029902
U1  - 510 CAS 
PY  - 1997///
CY  - Berlin
PB  - Springer
KW  - Banach spaces
KW  - Duality theory (Mathematics)
KW  - Ultraproducts
N1  - Includes bibliographical references (p. [239]-262) and index
ER  -