@article{variableandvalueeliminationinbinary,
  title = {Variable and value elimination in binary constraint satisfaction via forbidden patterns},
  author = {David A. Cohen and Martin C. Cooper and Guillaume Escamocher and Stanislav Zivny},
  year = {2015},
  eprint = {1502.03796},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1502.03796v1},
}