Parameters of the oscillatory process of the sleeper base in the area of the rail joint when using elastic spacersVladimir Tsoy, Firuza Karimova, Ne’matjon Mukhammadiyev and Jambul TurgayevE3S Web of Conf., 401 (2023) 05078DOI: https://doi.org/10.1051/e3sconf/202340105078