WANG, JinRong; ZHOU, Yong; MEDVEĎ, Milan. Existence and stability of fractional differential equations with Hadamard derivative. Topological Methods in Nonlinear Analysis, [S. l.], v. 41, n. 1, p. 113–133, 2013. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2013.005. Acesso em: 4 apr. 2025.