@inproceedings{Bulatov04:graph,
  title = "A Graph of a Relational Structure and Constraint Satisfaction Problems",
  author = "Andrei A. Bulatov",
  year = "2004",
  booktitle = "Proceedings of the 19th IEEE Symposium on Logic in Computer Science (LICS'04)",
  pages = "448-45",
  url = "http://csdl.computer.org/comp/proceedings/lics/2004/2192/00/21920448abs.htm",
}