@inproceedings{Xu:2014lj,
  author = "Xu, Fanrong",
  title = "{The rare $B$ \→ π \ell ^{+}\ell ^{-} decay}",
  doi = "10.22323/1.180.0108",
  booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics  {\textemdash} PoS(EPS-HEP 2013)",
  year = 2014,
  volume = "180",
  pages = "108"
}