TY  - BOOK
AU  - Kreyszig Erwin
TI  - Introductory functional analysis with applications
SN  - 0471507318
U1  - B43, L8 
PY  - 1978///
CY  - New York
PB  - Yrok Wiley         
KW  - Functional Analysis
N1  - Bibliography: P 675-680
ER  -