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, Mar. 2011, pp. 79-83, doi:10.15802/stp2011/8715.