1. P. Aiena, Fredholm and Local Spectral Theory, with Application to Multipliers (Kluwer Acadamic Publishers, Dordrecht, 2004)
2. P. Aiena, Algebraically paranormal operators on Banach spaces. Banach J. Math. Anal. 7(2), 136–145 (2013)
3. P. Aiena, Polaroid Operators and Weyl Type Theorems. Applied Mathematics in Tunisia, Springer Proceedings in Mathematics and Statistics, vol. 131 (Springer, Cham, 2015), pp. 1–20
4. P. Aiena, E. Aponte, Polaroid type operators under perturbations. Stud. Math. 214(2), 121–136 (2013)
5. P. Aiena, T.L. Miller, On generalized a-Browder’s theorem. Stud. Math. 180(3), 285–300 (2007)