@inproceedings{Takeda:2012FK,
  author = "Takeda, Shinji",
  title = "{On the phase of quark determinant in lattice QCD with finite chemical potential}",
  doi = "10.22323/1.139.0217",
  booktitle = "Proceedings of XXIX International Symposium on Lattice Field Theory  {\textemdash} PoS(Lattice 2011)",
  year = 2012,
  volume = "139",
  pages = "217"
}