BENCHOHRA, Mouffak; HEDIA, Benaouda. Positive Solutions for Boundary Value Problems with Fractional Order. International Journal of Advanced Mathematical Sciences, [S. l.], v. 1, n. 1, p. 12–22, 2013. DOI: 10.14419/ijams.v1i1.700. Disponível em: https://sciencepubco.com/index.php/IJAMS/article/view/700.. Acesso em: 27 apr. 2024.