@article{Larsen:2018So,
  author = "Larsen, Kasper  and  Georgoudis, Alessandro  and  Zhang, Yang",
  title = "{Cristal and Azurite: new tools for integration-by-parts reductions}",
  doi = "10.22323/1.290.0020",
  journal = "PoS",
  year = 2018,
  volume = "RADCOR2017",
  pages = "020"
}