“SYNTHESIS AND SPECTRAL INVESTIGATION OF ANIONIC TETRAKIS-COMPLEXES OF RARE EARTH ELEMENTS WITH DIMETHYL-N-TRICHLORACETYLAMIDOPHOSPHATE AND TETRAPHENYLPHOSPHONIUM CATION: UDC 546.65+535.37” (2018) Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, 54(2), pp. 43–46. Available at: https://chemistry.bulletin.knu.ua/en/article/view/8453 (Accessed: 6 October 2026).