@inproceedings{Gréaux:2023Ok,
  author = "Gréaux, Lucas  and  Biteau, Jonathan  and  Nievas Rosillo, Mireia",
  title = "{A gamma-ray perspective on the cosmological optical controversy}",
  doi = "10.22323/1.444.0749",
  booktitle = "Proceedings of 38th International Cosmic Ray Conference {\textemdash} PoS(ICRC2023)",
  year = 2023,
  volume = "444",
  pages = "749"
}