TY  - BOOK
AU  - Faris,William G,b.1939
TI  - Self-adjoint operators
SN  - 0387070303
PY  - 1975///
CY  - Berlin
PB  - Springer-Verlag
KW  - Selfadjoint operators
KW  - Perturbation (Mathematics)
KW  - Quantum theory
N1  - Bibliography: p.  109 -115
ER  -