GANESH, R.; SAKTHIVEL, R.; MAHMUDOV, N. I. Approximate controllability of fractional functional equations with infinite delay. Topological Methods in Nonlinear Analysis, [S. l.], v. 43, n. 2, p. 345–364, 2016. Disponível em: https://apcz.umk.pl/TMNA/article/view/TMNA.2014.020. Acesso em: 19 apr. 2024.