Analysis of technology methods and study of properties of high-temperature superconducting ceramics based on YTTIRIUMA. V. Umarov, N. Makhmudov, Sh. Eshkuvvatov, B. S. Abdullaeva and G. A. KasimovaE3S Web of Conf., 401 (2023) 05040DOI: https://doi.org/10.1051/e3sconf/202340105040