@article{socialnormsinindirectreciprocitywith,
  title = {Social norms in indirect reciprocity with ternary reputations},
  author = {Yohsuke Murase and Minjae Kim and Seung Ki Baek},
  year = {2021},
  eprint = {2109.09887},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.09887v3},
}