Sulym, A. O., S. O. Muzhychuk, P. O. Khozya, O. O. Melnyk, and V. V. Fedorov. “STUDY ON ENERGY EXCHANGE PROCESSES IN NORMAL OPERATION OF METRO ROLLING STOCK WITH REGENERATIVE BRAKING SYSTEMS”. Science and Transport Progress, no. 5(71), Oct. 2017, pp. 28-47, doi:10.15802/stp2017/112934.