Trajectory tracking error using fractional order time-delay recurrent neural networks using Krasovskii-Lur’e functional for Chua’s circuit via inverse optimal control - Pérez Padrón, Joel; Pérez Padrón, José Paz; Méndez Barrios, C.F.; González Galván, E.J. (Sociedad Mexicana de Física, A. C., 2020)