Ovchinnikova, N. и Eremenko, I. 2021. CO-CYCLIZATION OF ETNCO AND ME2CO AS THE RESULTS OF THEIR SELECTIVE INSERTION INTO THE NIOBIUM-CHLORINE BOND. EurasianUnionScientists. 3, 12(81) (янв. 2021), 36-39. DOI:https://doi.org/10.31618/ESU.2413-9335.2020.3.81.1188.