@article{onquadratizationofpseudobooleanfunctions,
  title = {On Quadratization of Pseudo-Boolean Functions},
  author = {Endre Boros and Aritanan Gruber},
  year = {2014},
  eprint = {1404.6538},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1404.6538v1},
}