“Structural Implementation of Three-Zone Speed Control System of Synchronous Motor with Permanent Magnets Using Optimal Control Strategies” (2017) Visnyk of Vinnytsia Politechnical Institute, (5), pp. 101–107. Available at: https://vpi.sprava.net/index.php/visnyk/article/view/2130 (Accessed: 15 November 2026).