Ovchinnikova, N., & 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), 36-39. https://doi.org/10.31618/ESU.2413-9335.2020.3.81.1188