Zlosnikas, V., and A. Baskys. “Integral Controller for the Plants With the Asymmetric Dynamics”. Elektronika ir Elektrotechnika 81, no. 1 (January 3, 2008): 15-18. Accessed September 27, 2022. https://eejournal.ktu.lt/index.php/elt/article/view/11025.