GabrielovV05'

BibTeX

@article{DBLP:journals/dcg/GabrielovV05,
  author    = {Andrei Gabrielov and
               Nicolai Vorobjov},
  title     = {Betti Numbers of Semialgebraic Sets Defined by Quantifier-Free
               Formulae},
  journal   = {Discrete {\&} Computational Geometry},
  volume    = {33},
  number    = {3},
  year      = {2005},
  pages     = {395-401},
  ee        = {http://www.springerlink.com/index/10.1007/s00454-004-1105-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}