HYELASINDA, . N. .; TERRANG, A.U. Characterization of Subnormal Operators in C*-algebra. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY GOMBE, [S. l.], v. 8, n. 3A, p. 8-15, 2024. Disponível em: https://journal-academia.com/Ojs/index.php/bimajst/article/view/746. Acesso em: 3 oct. 2025.