TY  - BOOK
AU  - Brown Arlen
AU  -  Pearcy Carl
TI  - Introduction to operator theory :Elements of functional analysis
T2  - Graduate texts in mathematics; 55
U1  - B48, L7.1 
PY  - 1977///
CY  - New York    
PB  -  Springer-Verlag        
KW  -  Operational
KW  - Functional analysis
ER  -