@inproceedings{Nagata:20143D,
  author = "Nagata, Keitaro",
  title = "{A property of fermions at finite density by a reduction formula of fermion determinant}",
  doi = "10.22323/1.187.0207",
  booktitle = "Proceedings of 31st International Symposium on Lattice Field Theory LATTICE 2013 {\textemdash} PoS(LATTICE 2013)",
  year = 2014,
  volume = "187",
  pages = "207"
}