@inproceedings{Hara:2020pg, author = "Hara, Koji", title = "{$R(D)$ and $R(D^*)$ at Belle}", doi = "10.22323/1.377.0041", booktitle = "Proceedings of 18th International Conference on B-Physics at Frontier Machines {\textemdash} PoS(Beauty2019)", year = 2020, volume = "377", pages = "041" }