Existence Results for Fourth Order Non-Homogeneous Three-Point Boundary Value Problems. Contemporary Mathematics , [S. l.], v. 2, n. 2, p. 162–172, 2021. DOI: 10.37256/cm.222021780. Disponível em: https://ojs353.mebyme.cn/index.php/CM/article/view/780. Acesso em: 24 dec. 2025.