@inproceedings{Chen:2020Fa,
  author = "Chen, Kai-feng",
  title = "{Measurement of rare $B \to \mu\mu$ decays and search for $\tau\to 3\mu$ decays at CMS}",
  doi = "10.22323/1.377.0018",
  booktitle = "Proceedings of 18th International Conference on B-Physics at Frontier Machines {\textemdash} PoS(Beauty2019)",
  year = 2020,
  volume = "377",
  pages = "018"
}