احتاج الى هذه الكتب و الاوراق ضروري مع الشكر للجميع
1)Hilbert space operators by Carlos S.kubrusly
2) perturbation theory for linear operators by tosio kato
3) invitation to linear oerators by Takayuki Furuta
4) ACourse in operatortheory by john B.Conway
5) spectral theory for a class of non-normal operators by Harry Gonshor( this is a paper not a book)0
6)The theory of subnormal operators by Conway
7) Annals of mathematics by Jastor
1)Hilbert space operators by Carlos S.kubrusly
2) perturbation theory for linear operators by tosio kato
3) invitation to linear oerators by Takayuki Furuta
4) ACourse in operatortheory by john B.Conway
5) spectral theory for a class of non-normal operators by Harry Gonshor( this is a paper not a book)0
6)The theory of subnormal operators by Conway
7) Annals of mathematics by Jastor