1. A path-optimal GAC algorithm for table constraints;Lecoutre,2012
2. Consistency in networks of relations;Mackworth;Artif. Intell.,1977
3. Arc and path consistency revisited;Mohr;Artif. Intell.,1986
4. Good old discrete relaxation;Mohr,1988
5. Contradicting conventional wisdom in constraint satisfaction;Sabin,1994