WAHASH, H. A.; PANCHAL, S. K. Positive solutions for generalized two-term fractional differential equations with integral boundary conditions. Journal of Mathematical Analysis and Modeling, [S. l.], v. 1, n. 1, p. 47–63, 2020. DOI: 10.48185/jmam.v1i1.35. Disponível em: https://www.sabapub.com/index.php/jmam/article/view/35. Acesso em: 13 jan. 2026.