Some Applications of the Weak Contraction Principle. Letters in Nonlinear Analysis and its Applications, [S. l.], v. 3, n. 1, p. 1–4, 2025. Disponível em: https://lettersinnonlinearanalysis.com/index.php/lnaa/article/view/v3n1a47. Acesso em: 24 may. 2026.