Extremum Seeking for the First Derivative of Nonlinear Maps with Constant Delays via a Time-Delay Approach. European Journal of Emerging Engineering and Mathematics, [S. l.], v. 1, n. 01, p. 34–49, 2024. Disponível em: https://parthenonfrontiers.com/index.php/ejeemt/article/view/209. Acesso em: 15 jan. 2026.