Mazko, A. G. “Evaluation of the Weighted Level of Damping of Bounded Disturbances in descriptor systems”. Ukrains’kyi Matematychnyi Zhurnal 70, no. 11 (November 25, 2018): 1541-1552. Accessed April 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1658.