@article{Grinza:2008bZ,
  author = "Grinza, Paolo  and  Caselle, Michele  and  Giudice, Pietro  and  Gliozzi, Ferdinando  and  Lottini, Stefano",
  title = "{On the ratio of string tensions in the 3D Z_4 lattice gauge theory}",
  doi = "10.22323/1.042.0306",
  journal = "PoS",
  year = 2008,
  volume = "LATTICE 2007",
  pages = "306"
}