KACZOREK, Tadeusz. Reachability of fractional positive continuous-time linear systems. Journal of Automation, Mobile Robotics and Intelligent Systems, [S. l.], v. 3, n. 1, p. 3–7, 2009. Disponível em: https://www.jamris.org/index.php/JAMRIS/article/view/622. Acesso em: 30 apr. 2025.