@article{Gattringer:2005zh,
  author = "Gattringer, Christof  and  Solbrig, Stefan",
  title = "{Low-lying spectrum for lattice Dirac operators with twisted mass}",
  doi = "10.22323/1.020.0127",
  journal = "PoS",
  year = 2005,
  volume = "LAT2005",
  pages = "127"
}