00613naa#a2200193#i#450# EN\\bibl\131729 20260804080218.2 3034-4689 20260702b2026####ek#y0engy0150####ca RU FEATURES OF THE FORMATION OF COPPER (II) FERRITE ON THE SURFACE OF A CARBON-CONTAINING MATERIAL Journal article Kazan Kazan National Research Technological University 2026 5 с. Journal article local Zelenskaya E. A. Sundukova N. G. Vyal'cev A. V. Shabel'skaya N. P. vestniktu.ru