APA (7th ed.) Citation

Kato, T. (1982). A short introduction to perturbation theory for linear operators. Springer.

Chicago Style (17th ed.) Citation

Kato, Tosio. A Short Introduction to Perturbation Theory for Linear Operators. New York u.a: Springer, 1982.

MLA (9th ed.) Citation

Kato, Tosio. A Short Introduction to Perturbation Theory for Linear Operators. Springer, 1982.