@inproceedings{benabbas11tight,
  author    = {Siavosh Benabbas and
               Siu On Chan and
               Konstantinos Georgiou and
               Avner Magen},
  title     = {Tight Integrality gap for Sherali-Adams SDPs for Vertex Cover},
  booktitle = {FSTTCS},
  year      = {2011},
}