S. SILVA, A. Existence of Solutions for a Fractional Boundary Value Problem at Resonance. Armenian Journal of Mathematics, [S. l.], v. 14, n. 15, p. 1–16, 2022. DOI: 10.52737/18291163-2022.14.15-1-16. Disponível em: http://armjmath.sci.am/index.php/ajm/article/view/839. Acesso em: 27 jan. 2023.