Zlosnikas, V., A. Baskys, and V. Gobis. “Stability Analysis of Control Systems With the Asymmetric Controllers Using Frequency Domain Criterion”. Elektronika ir Elektrotechnika 111, no. 5 (June 8, 2011): 63-66. Accessed June 17, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/358.