TY - BOOK AU - Kato, Tosio TI - Perturbation theory for linear operators SN - 0387035265 U1 - 515.353 PY - 1976/// CY - New York PB - Springer-Verlag KW - Perturbation (Mathematics) KW - Linear operators KW - Mathematics KW - Partial Differential equations KW - Mathematical optimization KW - Functional analysis N1 - Donated by Prof. Balmohan Vishnu Limaye; Includes index ER -