@inproceedings{Hascoet:2011g2,
  author = "Hascoet, Romain  and  Vennin, Vincent  and  Daigne, Frédéric  and  Mochkovitch, Robert",
  title = "{Do Fermi-LAT observations really imply very large Lorentz factors in GRB outflows ?}",
  doi = "10.22323/1.123.0104",
  booktitle = "Proceedings of 25th Texas Symposium on Relativistic Astrophysics  {\textemdash} PoS(Texas 2010)",
  year = 2011,
  volume = "123",
  pages = "104"
}