Finkelshtein, V. B., A. B. Yegorov, and A. M. Maleev. “COMPARISON OF CHARACTERISTICS OF THE CONVERTER-FED MOTOR AT SUPPLY FROM THE SINGLE-PHASE NETWORK AND FROM THE SOURCE OF THE DIRECT CURRENT”. Electrical Engineering & Electromechanics, no. 4, Aug. 2015, pp. 15-19, doi:10.20998/2074-272X.2015.4.03.