TY  - BOOK
AU  - Friedrichs,Kurt Otto
TI  - Spectral theory of operators in Hilbert space
T2  - Applied Mathematical Sciences / Eds.: Fritz John ... et al
SN  - 0387900764
PY  - 1973///
CY  - New York
PB  - Springer-Verlag
KW  - Hilbert space
KW  - Spectral theory (Mathematics)
KW  - Operator theory
N1  - Bibliogr.: p. 241
ER  -