TY JOUR TI PROGRESS IN THE STUDY OF SUPERCONDUCTING CERAMICS KW superconductivity KW ceramics KW high temperature superconductors (HTSC) JO Scientific Papers Collection of the Angarsk State Technical University AU Kozyrev, A.A. AU Istomina, A.A. PY 2024 IS 2024 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»