ÖZER, Özen; OMRAN, Saleh. A result on the coupled fixed point theorems in C\(^∗\)-algebra valued b-metric spaces. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 722–730, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7195. Acesso em: 27 oct. 2026.