HOXHA, Ilmi; BRAHA, Naim L.; TATO, Agron. Properties of absolute-∗-k-paranormal operators and contractions for ∗-A(k) operators. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 64, n. 1, p. 119–132, 2019. DOI: 10.24193/subbmath.2019.1.11. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2217. Acesso em: 5 feb. 2025.