@inproceedings{Zivny09:mfcs,
title = "The expressive power of binary submodular functions",
author = "Stanislav \vZ}ivn\'y and David A. Cohen and Peter G. Jeavons",
year = "2009",
booktitle = "Proceedings of the 34th International Symposium on Mathematical Foundations of Computer Science (MFCS'09)",
series = "Lecture Notes in Computer Science",
url = "http://zivny.cz/publications/zcj09mfcs-preprint.pdf",
}