TY  - BOOK
AU  - Halmos, Paul R.
TI  - A hillbert space problem book
SN  - 9788184898323
U1  - 515.733 
PY  - 1982///
CY  - New York: 
PB  - Springer Verlag, 
KW  - Math
KW  - Spaces
KW  - Topology
KW  - Vectors
ER  -