HENDERSON, Johnny; NTOUYAS, Sotiris K.; PURNARAS, Ioannis K. Positive solutions for systems of m‐point nonlinear boundary value problems. Mathematical Modelling and Analysis, [S. l.], v. 13, n. 3, p. 357–370, 2008. DOI: 10.3846/1392-6292.2008.13.357-370. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/7021. Acesso em: 10 may. 2025.