@article{Lefa:2011D4,
  author = "Lefa, Eva  and  Rieger, Frank M.  and  Aharonian, Felix",
  title = "{The formation of hard TeV gamma-ray spectra in blazars}",
  doi = "10.22323/1.123.0205",
  journal = "PoS",
  year = 2011,
  volume = "Texas 2010",
  pages = "205"
}