TY  - BOOK
AU  - Helmberg, Gilbert
TI  - Introduction to spectral theory in Hilbert space
SN  - 9780486466224
SN  - 200705304
U1  - 515.7222 HEL 
PY  - 2008///
CY  - Mineola, NY
PB  - Dover Publications
KW  - Hilbert space
KW  - Linear operators
KW  - Spectral theory (Mathematics)
N1  - Originally published: Amsterdam : North-Holland Pub. ; New York : Wiley, 1969. Includes bibliographical references (p. 330-333) and indexes
ER  -