@inproceedings{Li:2021iS, author = "Li, Peilian", title = "{Beauty to charmonuim decays at LHCb}", doi = "10.22323/1.390.0390", booktitle = "Proceedings of 40th International Conference on High Energy physics {\textemdash} PoS(ICHEP2020)", year = 2021, volume = "390", pages = "390" }