Novel Approaches to Positive Solutions for Fractional Nonlinear Boundary Value Problems. Contemporary Mathematics , [S. l.], v. 6, n. 2, p. 2254–2265, 2025. DOI: 10.37256/cm.6220256355. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/6355. Acesso em: 24 dec. 2025.