@article{DiRenzo:2010QH,
  author = "Di Renzo, Francesco  and  Brambilla, Michele",
  title = "{The Dirac operator spectrum: a perturbative approach}",
  doi = "10.22323/1.091.0209",
  journal = "PoS",
  year = 2010,
  volume = "LAT2009",
  pages = "209"
}