1. Aiena, P.: Fredholm and Local Spectral Theory, with Applications to Multipliers. Kluwer Academic Publishers, Dordrecht (2004)
2. Aluthge, A., Wang, D.: $$w$$ w -hyponormal operators II. Integr. Eqn. Oper. Theory 37, 324–331 (2000)
3. Amouch, M., Zguitti, H.: B-Fredholm and Drazin invertible operators through localized SVEP. Math. Bohem. 136, 39–49 (2011)
4. Ando, T.: Operators with a norm condition. Acta Sci. Math. (Szeged) 33, 169–178 (1972)
5. Arora, S.C., Thukral, J.K.: On a class of operators. Kyngpook Math. J. 21, 381–386 (1986)