@article{Fukuda:20179w,
  author = "Fukuda, Ryutaro  and  Nakamura, Atsushi  and  Oka, Shotaro  and  Suzuki, Asobu  and  Taniguchi, Yusuke",
  title = "{Study of the sign problem in canonical approach}",
  doi = "10.22323/1.256.0060",
  journal = "PoS",
  year = 2017,
  volume = "LATTICE2016",
  pages = "060"
}