@article{Kashiwa:20169M,
  author = "Kashiwa, Kouji",
  title = "{Topological feature and phase diagram of QCD at complex chemical potential}",
  doi = "10.22323/1.251.0151",
  journal = "PoS",
  year = 2016,
  volume = "LATTICE 2015",
  pages = "151"
}