Volkov, A. V., and O. G. Miroshnichenko. “INFLUENCE OF NON-INVISIBILITY OF THE FORM OF CURRENTS AND THE UNCERTAINTY OF THE CURRENT POWER OF A SEPARATE ELECTRIC CONSUMER ON LOSSES IN THE POWER SYSTEM”. Electrical Engineering and Power Engineering, no. 1, July 2007, https://ee.zp.edu.ua/article/view/102939.