WANJALA VICTOR; A. M. NYONGESA. Further Generalization of Unitary Quasi-Equivalence of Operators. International Journal of Mathematics And its Applications, [S. l.], v. 9, n. 2, p. 223–225, 2021. Disponível em: https://ijmaa.in/index.php/ijmaa/article/view/89. Acesso em: 3 jul. 2024.