TY  - BOOK
AU  - Baumgartel, Hellmut
TI  - ANALYTIC PERTURBATION THEORY FOR MATRICES AND OPERATORS
U1  - 515.4246 
PY  - 1984///
CY  - Basel
PB  - Birkhauser Verlag
KW  - Perturbation (Mathematics)
KW  - Matrices
KW  - Operator Theory
ER  -