Ovchinnikova , N., и I. Eremenko. 2021. «CO-CYCLIZATION OF ETNCO AND ME2CO AS THE RESULTS OF THEIR SELECTIVE INSERTION INTO THE NIOBIUM-CHLORINE BOND». EurasianUnionScientists 2 (1(82), 72-76. https://doi.org/10.31618/ESU.2413-9335.2021.2.82.1203.