GEROV, R.; JOVANOVIC, Z. Synthesis of PI Controller with a Simple Set-Point Filter for Unstable First-Order Time Delay Processes and Integral plus Time Delay Plant. Elektronika ir Elektrotechnika, [S. l.], v. 24, n. 2, p. 3-11, 2018. DOI: 10.5755/j01.eie.24.2.20629. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/20629. Acesso em: 29 sep. 2020.