TY  - BOOK
AU  - Halmos, Paul R..
TI  - Hilbert Space Problem Book / 
SN  - 978-81-8489-832-3
U1  - B313N 
PY  - 1984///
CY  - New Delhi : 
PB  - Springer (India) Pvt. Ltd. , 
KW  - Hilbert spaces-Problems, exercises
ER  -