Visin, N. H., B. T. Vlasenko, and A. A. Sokolov. “IMPROVING THE RELIABILITY OF THE POWER CIRCUIT OF THE ELECTRIC TRAINS ЕР2Т AND ЕПЛ2Т”. Science and Transport Progress, no. 32, Apr. 2010, pp. 162-5, doi:10.15802/stp2010/13360.