@article{Pshirkov:2016OG,
  author = "Pshirkov, Maxim  and  Postnov, Konstantin  and  Vasiliev, Valeriy",
  title = "{Gamma-ray halo around the M31 galaxy as seen by the Fermi LAT }",
  doi = "10.22323/1.236.0867",
  journal = "PoS",
  year = 2016,
  volume = "ICRC2015",
  pages = "867"
}