Zuev, A. L., and Yu. V. Novikova. “Estimation of the Reachable Set for the Problem of Vibrating Kirchhoff Plate”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 11 (November 25, 2014): 1463-1476. Accessed April 20, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2238.