@article{Skouroupathis:2008J2,
  author = "Skouroupathis, Apostolos",
  title = "{Higher loop renormalization of fermion bilinear operators}",
  doi = "10.22323/1.042.0254",
  journal = "PoS",
  year = 2008,
  volume = "LATTICE 2007",
  pages = "254"
}