TY  - BOOK
AU  - Kato, Tosio
TI  - PERTURBATION THEORY FOR LINEAR OPERATORS
U1  - 515.72 
PY  - 1980///
CY  - Berlin
PB  - Springer-Verlag
KW  - Linear Operators
KW  - Perturbation (Mathematics)
N1  - Bibliography : P. 583-605
ER  -