Equivalents of Ordered Fixed Point Theorems of Kirk, Caristi, Nadler, Banach, and others. Advances in the Theory of Nonlinear Analysis and its Application, [S. l.], v. 6, n. 4, p. 420–432, 2023. Disponível em: https://mail.atnaea.org/index.php/journal/article/view/166.. Acesso em: 19 apr. 2026.