Röbenack, Klaus, and Rick Voßwinkel. “Eigenvalue Placement by Quantifier Elimination - the Static Output Feedback Problem”. Acta Cybernetica 24, no. 3 (March 16, 2020): 409-427. Accessed April 26, 2024. https://cyber.bibl.u-szeged.hu/index.php/actcybern/article/view/4054.