Zhemerov, G. G., and D. V. Tugay. “COMPONENTS OF THE TOTAL POWER LOSSES IN THREE-PHASE ENERGY SUPPLY SYSTEMS WITH SYMMETRIC SINUSOIDAL VOLTAGE SOURCE”. Electrical Engineering & Electromechanics, no. 4, Aug. 2015, pp. 28-34, doi:10.20998/2074-272X.2015.4.05.