@article{Carrazza:2016Gk,
  author = "Carrazza, Stefano  and  Kassabov, Zahari",
  title = "{Parton Distribution Functions}",
  doi = "10.22323/1.278.0020",
  journal = "PoS",
  year = 2016,
  volume = "PP@LHC2016",
  pages = "020"
}