@inproceedings{Fukaya:2020Pr,
  author = "Fukaya, Hidenori  and  Furuta, Mikio  and  Matsuo, Shinichiroh  and  Onogi, Tetsuya  and  Yamaguchi, Satoshi  and  Yamashita, Mayuko",
  title = "{A physicist-friendly reformulation of the Atiyah-Patodi-Singer index and its mathematical justification}",
  doi = "10.22323/1.363.0061",
  booktitle = "Proceedings of 37th International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE2019)",
  year = 2020,
  volume = "363",
  pages = "061"
}