@article{Delfino:2002M1,
  author = "Delfino, G.  and  Mussardo, Giuseppe",
  title = "{Universal ratios and correlation functions}",
  doi = "10.22323/1.008.0007",
  journal = "PoS",
  year = 2002,
  volume = "unesp2002",
  pages = "007"
}