Si bachir, F., Abbas, S. ., Benbachir, M., Benchohra, M. and N‘Guérékata, G. M. (2021) “Existence and attractivity results for \(\psi\)-Hilfer hybrid fractional differential equations”, CUBO, A Mathematical Journal, 23(1), pp. 145–159. doi: 10.4067/S0719-06462021000100145.