Щербак, Яков Васильевич, and Иван Владимирович Слободчиков. “Improving the Quality of Electric Power on the Output of Direct Current of Traction Substation”. Eastern-European Journal of Enterprise Technologies 3, no. 8(51) (January 10, 2012): 33–38. Accessed December 26, 2024. https://journals.uran.ua/eejet/article/view/1655.