Ordered weak φ -contractions in cone metric spaces over Banach algebras and fixed point theorems. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 3, n. 2, p. 102–110, 2019. Disponível em: https://atnaea.org/index.php/journal/article/view/78.. Acesso em: 17 jun. 2026.