@inproceedings{Archilli:2014qN, author = "Archilli, Flavio", title = "{Searches for very rare decays to purely leptonic final states at LHCb}", doi = "10.22323/1.180.0324", booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP 2013)", year = 2014, volume = "180", pages = "324" }