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. 2, 1(82) (фев. 2021), 72-76. DOI:https://doi.org/10.31618/ESU.2413-9335.2021.2.82.1203.