@inproceedings{Ivanov:201895,
  author = "Ivanov, Mikhail Alekseevich",
  title = "{The invariant and helicity amplitudes in the transitions $\Lambda_b\to\Lambda^\ast(\frac12^\pm,\frac32^\pm)+J/\psi$.}",
  doi = "10.22323/1.314.0220",
  booktitle = "Proceedings of The European Physical Society Conference on High Energy Physics {\textemdash} PoS(EPS-HEP2017)",
  year = 2018,
  volume = "314",
  pages = "220"
}