ASIRI, A. Generalized Nonlinear Rational Contractions via Coupled Fixed Points Under a Binary Relation with Application to Fractional Differential Equations. Contemporary Mathematics , [S. l.], v. 7, n. 4, p. 4405–4432, 2026. DOI: 10.37256/cm.7420267905. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/7905. Acesso em: 13 aug. 2026.