“SYNTHESIS AND PROPERTIES OF THE SYSTEMS Eu1-XPrXBa2Cu4OY (0£X£0,5) AND Eu1-XTbXBa2Cu4OY (0£X£0,5): UDC 546.431’65’56” (2008) Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 45(2), pp. 38–39. Available at: https://chemistry.bulletin.knu.ua/article/view/8341 (Accessed: 14 February 2026).