“INFLUENCE BISMUTH, SUBSTITUTIONS ON THE PROPERTIES OF COMPOUND BI2SR2CACU2OY: UDC 546.87’42’41’56” (2009) Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, 47(2), pp. 35–37. Available at: https://chemistry.bulletin.knu.ua/article/view/8416 (Accessed: 14 February 2026).