@inproceedings{Frasca:2011Ne,
  author = "Frasca, Marco",
  title = "{Mapping theorem and Green functions in Yang-Mills theory}",
  doi = "10.22323/1.117.0039",
  booktitle = "Proceedings of The many faces of QCD {\textemdash} PoS(FacesQCD)",
  year = 2011,
  volume = "117",
  pages = "039"
}