ODDA , S. On the Existence of Positive Solutions for the 5th Order Differential Equation for Boundary Value Problems . Journal of Qassim University for Science, [S. l.], v. 10, n. 1, p. 53–60, 2017. Disponível em: https://jnsm.qu.edu.sa/index.php/jnm/article/view/1811. Acesso em: 21 nov. 2024.