@article{BPR08,
  title = "Computing the {B}etti numbers of semi-algebraic sets defined by partly quadratic systems of polynomials",
  author = "S. Basu and D.V. Pasechnik and M.-F. Roy",
  year = "2009",
  journal = "Journal of Algebra",
  note = "arXiv.org preprint math.GT/0806.3911",
  pages = "2206--2229",
  volume = "321",
  doi = "10.1016/j.jalgebra.2008.09.043",
}