Mathematical model for prediction of cargo flow during the construction of the railway line Uzbekistan - Kyrgyzstan – ChinaKhasan Umarov, Yulduz Tursinaliyeva, Islom Khurramov and Saulet ShayakhmetovE3S Web of Conf., 401 (2023) 03018DOI: https://doi.org/10.1051/e3sconf/202340103018