MA, R.; AN, Y. Global structure of positive solutions for superlinear second order $m$-point boundary value problems. Topological Methods in Nonlinear Analysis, [S. l.], v. 34, n. 2, p. 279–290, 2009. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2009.043. Acesso em: 26 apr. 2024.