NASLI BAKIR, A.; MECHERI, S. n-Multiplicity and Spectral Properties for (M,k)-Quasi-*-Class Q Operators. Eurasian Mathematical Journal, [S. l.], v. 14, n. 2, p. 79–93, 2023. Disponível em: https://emj.enu.kz/index.php/main/article/view/286. Acesso em: 19 nov. 2024.