Averbukh, M. A., N. A. Zhukov, S. V. Khvorostenko, and V. I. Panteleev. “Reducing Electric Power Losses in the System of Power Supply Due to Compensation of Higher Harmonics of Currents: Economic and Energy Efficiency Outcomes”. International Journal of Energy Economics and Policy, vol. 9, no. 4, June 2019, pp. 396-03, https://www.econjournals.com/index.php/ijeep/article/view/7693.