Yusupbekov, Nadirbek, Husan Igamberdiev, and Uktam Mamirov. “Algorithms of Sustainable Estimation of Unknown Input Signals in Control Systems”. Journal of Automation, Mobile Robotics and Intelligent Systems 12, no. 4 (December 5, 2018): 83–86. Accessed April 30, 2025. https://www.jamris.org/index.php/JAMRIS/article/view/480.