ZHOU, Y.; JIAO, F.; PEČARIĆ, J. Abstract Cauchy problem for fractional functional differential equations. Topological Methods in Nonlinear Analysis, [S. l.], v. 42, n. 1, p. 119–136, 2013. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2013.028. Acesso em: 2 dec. 2024.