E., P.; P., S. . FG-Coupled Fixed Point Theorems for Various Contractions in Partially Ordered Metric Spaces. Sarajevo Journal of Mathematics, [S. l.], v. 15, n. 2, p. 291–307, 2020. DOI: 10.5644/SJM.15.02.12. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/64. Acesso em: 15 oct. 2024.