TEAM, S. A Singular Nonlinear Second-Order Neumann Boundary Value Problem with Positive Solutions: Feng Wang, Yujun Cui, Fang Zhang. Thai Journal of Mathematics, [S. l.], v. 7, n. 2, p. 243–257, 2009. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/159. Acesso em: 28 apr. 2024.