Krasnov, R. V. “Analysis Overheating Problems of Electric Motor by Type DK-409 and Motor – Driven Compressor by Type (EK – 7B) of Continuous Current Locomotive by Type (ER – 1, ER – 2) With Using the Thermal System of Compensation”. Science and Transport Progress , no. 36 (March 25, 2011): 79–83. Accessed April 26, 2024. https://stp.ust.edu.ua/article/view/8715.