1. Weyl’s theorems: continuity of the spectrum and quasihyponormal operators;Djordjević, Slaviša V.;Acta Sci. Math. (Szeged),1998
2. Browder’s theorems and spectral continuity;Djordjević, Slaviša V.;Glasg. Math. J.,2000
3. The single valued extension property on a Banach space;Finch, James K.;Pacific J. Math.,1975
4. A note on 𝑎-Weyl’s theorem;Han, Young Min;J. Math. Anal. Appl.,2001
5. Another note on Weyl’s theorem;Harte, Robin;Trans. Amer. Math. Soc.,1997