SYNTHESIS AND SPECTRAL INVESTIGATION OF ANIONIC TETRAKIS-COMPLEXES OF RARE EARTH ELEMENTS WITH DIMETHYL-N-TRICHLORACETYLAMIDOPHOSPHATE AND TETRAPHENYLPHOSPHONIUM CATION: UDC 546.65+535.37. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry, [S. l.], v. 54, n. 2, p. 43–46, 2018. Disponível em: https://chemistry.bulletin.knu.ua/article/view/8453. Acesso em: 14 feb. 2026.