@inproceedings{Lupato:2017Nn, author = "Lupato, Anna", title = "{Test of lepton flavour universality with semi-tauonic decays of b-hadrons at LHCb}", doi = "10.22323/1.274.0066", booktitle = "Proceedings of XIII International Conference on Heavy Quarks and Leptons {\textemdash} PoS(HQL 2016)", year = 2017, volume = "274", pages = "066" }