Safarov A.M, Jurayeva K.K, and Mirasadov M. J. “Current Converters for Control Systems of Secondary Circuits of Traction Power Supply and Electric Rolling Stock”. International Journal on Integrated Education 4, no. 4 (April 29, 2021): 262-264. Accessed November 23, 2024. https://journals.researchparks.org/index.php/IJIE/article/view/1692.