APA
Katō T., . (1995). Perturbation theory for linear operators. Berlin: Springer.
Chicago
Katō Tosio, . 1995. Perturbation theory for linear operators. Berlin: Springer.
Harvard
Katō T., . (1995). Perturbation theory for linear operators. Berlin: Springer.
MLA
Katō Tosio, . Perturbation theory for linear operators. Berlin: Springer. 1995.