“Robots control by adaptive gain smooth sliding observer-controller and parameter identification” (2004) The Annals of “Dunarea de Jos“ University of Galati. Fascicle III, Electrotechnics, Electronics, Automatic Control, Informatics, 27, pp. 31–40. Available at: https://ojs.ugal.ro/index.php/eeaci/article/view/720 (Accessed: 2 November 2026).