LUCA, Rodica. Positive solutions for a system of fractional differential equations with p-Laplacian operator and multi-point boundary conditions. Nonlinear Analysis: Modelling and Control, [S. l.], v. 23, n. 5, p. 771–801, 2018. DOI: 10.15388/NA.2018.5.8. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/13163.. Acesso em: 15 may. 2024.