@techreport{KZ10:arx-b,
  title = "Generalising tractable VCSPs defined by symmetric tournament pair multimorphisms",
  author = "Vladimir Kolmogorov and Stanislav \v{Z}ivn\'y",
  year = "2010",
  note = "arXiv:1008.3104",
  url = "http://arxiv.org/abs/1008.3104",
}