Development of a mathematical model of the movement of wagons Rustam Abdullaev, Nodir Adilov, Diyora Juraeva, Anvar Makhmudov and Vasila Ergasheva E3S Web Conf., 460 (2023) 06009 Published online: 11 December 2023 DOI: 10.1051/e3sconf/202346006009