Hetman, H. K., S. V. Arpul, and E. O. Dovhan. “DETERMINATION OF THE OPTIMAL POWER RANGE OF TRACTION FUNDS FOR PASSENGER TRANSPORT ON THE GROUND TRACTION”. Science and Transport Progress , no. 9 (December 25, 2005): 47–50. Accessed April 29, 2024. https://stp.ust.edu.ua/article/view/19958.