Liubarskyi, B., Petrenko О., D. Iakunin, and O. Dubinina. “Optimization of Thermal Modes and Cooling Systems of the Induction Traction Engines of Trams”. Eastern-European Journal of Enterprise Technologies, vol. 3, no. 9 (87), June 2017, pp. 59-67, doi:10.15587/1729-4061.2017.102236.