@inproceedings{Song:2021P9, author = "Song, Weimin", title = "{New observation of Charmonium decays at BESIII}", doi = "10.22323/1.390.0503", booktitle = "Proceedings of 40th International Conference on High Energy physics {\textemdash} PoS(ICHEP2020)", year = 2021, volume = "390", pages = "503" }