TY  - BOOK
AU  - Hansen, Vagn Lundsgaard 
TI  - Functional analysis: entering hilbert space
SN  - 9780000988690
U1  - 515.733 H1982f2 
PY  - 2020///
CY  - New Jersey
PB  - World Scientific
KW  - Hilbert spaces
KW  - Function spaces
KW  - Metric topology
ER  -