@inproceedings{Zivny08:cp,
  title = "Classes of submodular constraints expressible by graph cuts",
  author = "Stanislav \v{Z}ivn\'y and Peter G. Jeavons",
  year = "2008",
  booktitle = "Proceedings of the 14th International Conference on Principles and Practice of Constraint Programming (CP'08)",
  pages = "112-127",
  series = "Lecture Notes in Computer Science",
  url = "http://zivny.cz/publications/zj08cp-preprint.pdf",
  volume = "5202",
  doi = "10.1007/978-3-540-85958-1_8",
}