@article{abertrandduopolygamewithdifferentiated,
  title = {A Bertrand duopoly game with differentiated products reconsidered},
  author = {Xiaoliang Li and Bo Li},
  year = {2023},
  eprint = {2301.01007},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.01007v1},
}