TY  - BOOK
AU  - Helmberg, Gilbert
TI  - INTRODUCTION TO SPECTRAL THEORY IN HILBERT SPACE
U1  - 517.5 
PY  - 1969///
CY  - Amsterdam
PB  - North-Holland Pub. Co.
KW  - Spectral Theory (Mathematics)
KW  - Hilbert Space
KW  - Linear Operators
N1  - Includes Bibliography
ER  -