@inproceedings{Kawai:2020O7,
  author = "Kawai, Naoki  and  Fukaya, Hidenori  and  Matsuki, Yoshiyuki  and  Mori, Makito  and  Nakayama, Katsumasa  and  Onogi, Tetsuya  and  Yamaguchi, Satoshi",
  title = "{A lattice formulation of the Atiyah-Patodi-Singer index}",
  doi = "10.22323/1.363.0149",
  booktitle = "Proceedings of 37th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2019)",
  year = 2020,
  volume = "363",
  pages = "149"
}