Sitnikov, V. S., P. V. Stupen, and I. V. Baderko. “Obtaining a Digital Filter Structure from State-Space Description”. Technology and design in electronic equipment, no. 4–5 (October 30, 2002): 21-23. Accessed August 21, 2026. https://tkea.com.ua/index.php/journal/article/view/TKEA2002.4-5.21.