@inproceedings{QuantifiedConstraints, title = "Quantified constraints: algorithms and complexity", author = "Ferdinand B{\"o}rner and Andrei Bulatov and Peter Jeavons and Andrei Krokhin", year = "2003", booktitle = "Proceedings of CSL'03", note = "Longer version available as an OUCL Research Report: \url{http://web.comlab.ox.ac.uk/oucl/publications/tr/rr-02-11.html}", number = "2803", pages = "58--70", series = "Lecture Notes in Computer Science", url = "http://springerlink.metapress.com/content/2gmm51wv6xjx1u3e/fulltext.pdf", doi = "10.1007/b13224", }