SYNTHESIS AND CATALYTIC ACTIVITY OF THE HOVEYDA-GRUBBS TYPE CATALYSTS WITH THE CHALCOGEN-RU COORDINATION BOND IN A SIX-MEMBERED CHELATE RING Article Antonova A.S., Kumandin P.A., Vasilev K.A., Polyanskaya D.K., Polyanskii K.B., Zubkov F.I. Успехи синтеза и комплексообразования = Advances in synthesis and complexing. Российский университет дружбы народов (РУДН). 2022. 139 p.