Caristi’s coincidence and common-fixed point theorems  in Hausdorff spaces. Letters in Nonlinear Analysis and its Applications, [S. l.], v. 3, n. 3, p. 160–167, 2025. Disponível em: https://lettersinnonlinearanalysis.com/index.php/lnaa/article/view/60. Acesso em: 4 jun. 2026.