Valeyev, K. G. and Lapshin, A. L. (1997) “Optimization of solutions of a linear control system”, Ukrains’kyi Matematychnyi Zhurnal, 49(10), pp. 1429–1431. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5140 (Accessed: 17May2024).