Wilfried Imrich, Werner Klöckl. Factoring directed graphs with respect to the cardinal product in polynomial time II. Discussiones Mathematicae Graph Theory, 30(3):461-474, 2010. [doi]
@article{ImrichK10,
title = {Factoring directed graphs with respect to the cardinal product in polynomial time II},
author = {Wilfried Imrich and Werner Klöckl},
year = {2010},
url = {http://www.uz.zgora.pl/discuss/gt/30_3/gt30-695.htm},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/ImrichK10},
cites = {0},
citedby = {0},
journal = {Discussiones Mathematicae Graph Theory},
volume = {30},
number = {3},
pages = {461-474},
}