Kato,T. (1976). Perturbation theory for Linear Operators. Springer- Verlag.
Dyfyniad Arddull ChicagoKato,T. Perturbation Theory for Linear Operators. New York: Springer- Verlag, 1976.
Dyfyniad MLAKato,T. Perturbation Theory for Linear Operators. Springer- Verlag, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.