Claude A. Christen, Stanley M. Selkow. Some perfect coloring properties of graphs. Journal of Combinatorial Theory, Series A, 27(1):49-59, 1979. [doi]
@article{ChristenS79,
title = {Some perfect coloring properties of graphs},
author = {Claude A. Christen and Stanley M. Selkow},
year = {1979},
doi = {10.1016/0095-8956(79)90067-4},
url = {http://dx.doi.org/10.1016/0095-8956(79)90067-4},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/ChristenS79},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {27},
number = {1},
pages = {49-59},
}