@inproceedings{Laporta:2022vP,
  author = "Laporta, Stefano",
  title = "{Four-loop master integrals and hypergeometric functions}",
  doi = "10.22323/1.383.0023",
  booktitle = "Proceedings of MathemAmplitudes 2019: Intersection Theory & Feynman Integrals {\textemdash} PoS(MA2019)",
  year = 2022,
  volume = "383",
  pages = "023"
}