Παραπομπή APA

Kato, T. (1976). Perturbation theory for linear operators (2nd ed.). Springer-Verlag.

Παραπομπή Chicago Style

Kato, Tosio. Perturbation Theory for Linear Operators. 2nd ed. Berlin: Springer-Verlag, 1976.

Παραπομπή MLA

Kato, Tosio. Perturbation Theory for Linear Operators. 2nd ed. Springer-Verlag, 1976.