TY  - BOOK
AU  - Yosida, Kosaku
TI  - Functional analysis
SN  - 0387055061
U1  - 517.9 
PY  - 1971///
CY  - New York
PB  - Springer
KW  - DUAL OPERATORS
KW  - FUNCTIONAL ANALYSIS
KW  - SET THEORY
ER  -