ABD, Salwa S.; ABD-ULLAH, Alaa. Fixed Point Theorem for Uncommuting Mappings. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 26, n. 1, p. 312–319, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/539. Acesso em: 29 mar. 2025.