Andrei A. Krokhin, Peter Jeavons, Peter Jonsson. Constraint Satisfaction Problems on Intervals and Length. SIAM J. Discrete Math., 17(3):453-477, 2004. [doi]
@article{KrokhinJJ04,
title = {Constraint Satisfaction Problems on Intervals and Length},
author = {Andrei A. Krokhin and Peter Jeavons and Peter Jonsson},
year = {2004},
doi = {10.1137/S0895480102410201},
url = {http://dx.doi.org/10.1137/S0895480102410201},
tags = {constraints},
researchr = {https://researchr.org/publication/KrokhinJJ04},
cites = {0},
citedby = {0},
journal = {SIAM J. Discrete Math.},
volume = {17},
number = {3},
pages = {453-477},
}