Analysis of the causes of traction electric failures of electric cargo cars operated on railways of the Republic of UzbekistanSardor Nuriddinov, Bobomurod Avazov, Fozil Hasanov and Yulduz RakhmonovaE3S Web Conf., 264 (2021) 05041DOI: https://doi.org/10.1051/e3sconf/202126405041