TY  - BOOK
AU  - Baumgartel,H.
TI  - Analytic perturbation theory for matrices and operators
PY  - 1985///
CY  - Basel
PB  - Birkhauser Verlag
KW  - Matrices
KW  - Linear operators
KW  - Perturbation (Mathematics)
N1  - Includes index; Bibliography : p.(415)-423
ER  -