Comment on "breakdown of the Internet under intentional attack".

@article{Dorogovtsev2001CommentO,
  title={Comment on "breakdown of the Internet under intentional attack".},
  author={Sergey N. Dorogovtsev and Jos{\'e} F. F. Mendes},
  journal={Physical review letters},
  year={2001},
  volume={87 21},
  pages={
          219801
        }
}
We obtain the exact position of the percolation threshold in intentionally damaged scale-free networks. 
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