RYNNE, B. P. Eigenvalue criteria for existence of positive solutions of second-order, multi-point, $p$-Laplacian boundary value problems. Topological Methods in Nonlinear Analysis, [S. l.], v. 36, n. 2, p. 311–326, 2010. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2010.038. Acesso em: 18 apr. 2024.