@techreport{KZ10:arx-a,
  title = "The complexity of conservative finite-valued CSPs",
  author = "Vladimir Kolmogorov and Stanislav \v{Z}ivn\'y",
  year = "2010",
  note = "arXiv:1008.1555",
  url = "http://arxiv.org/abs/1008.1555",
}