APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Katō, Tosio. A Short Introduction to Perturbation Theory for Linear Operators. New York: Springer-Verlag, 1982.

MLA (9th ed.) Citation

Katō, Tosio. A Short Introduction to Perturbation Theory for Linear Operators. Springer-Verlag, 1982.