Tosio Kato
Perturbation theory for linear operators - 1966 - Springer Berlin Heidelberg 1966 - Grundlehren der mathematischen Wissenschaften .
9783662126783
Mathematics and Statistics
Perturbation theory for linear operators - 1966 - Springer Berlin Heidelberg 1966 - Grundlehren der mathematischen Wissenschaften .
9783662126783
Mathematics and Statistics