Yamada, Kou, Takaaki Hagiwara, and Hideharu Yamamoto. “Robust Stability Condition for a Class of Time-Delay Plants with Uncertainty”. ECTI Transactions on Electrical Engineering, Electronics, and Communications 7, no. 1 (July 31, 2008): 34–41. accessed April 5, 2025. https://ph02.tci-thaijo.org/index.php/ECTI-EEC/article/view/171805.