Kulagin, D. O. “INVESTIGATION OF ELECTROMAGNETIC PROCESSES OF SELF-EXCITATION ASYNCHRONOUS TRACTION MOTOR WITH REGENERATIVE BRAKING POWERED BY LIMITED POWER SOURCES”. Electrical Engineering and Power Engineering, no. 1 (July 10, 2015): 39–45. Accessed May 2, 2024. http://ee.zntu.edu.ua/article/view/86819.