“OPTIMIZATION OF VOLTAGE CONTROL MODE IN THE TRACTION NETWORK OF DIRECT CURRENT WITH AMPLIFYING POINTS”. Visnyk of Vinnytsia Politechnical Institute, no. 6 (February 1, 2016): 95–103. Accessed October 11, 2026. https://visnyk.vntu.edu.ua/index.php/visnyk/article/view/1857.