Hiroyuki Kawai, Yukio Shibata. Partitions, Functions and the Arc-Coloring of Digraphs. IEICE Transactions, 89-A(9):2381-2385, 2006. [doi]
@article{KawaiS06,
title = {Partitions, Functions and the Arc-Coloring of Digraphs},
author = {Hiroyuki Kawai and Yukio Shibata},
year = {2006},
doi = {10.1093/ietfec/e89-a.9.2381},
url = {http://dx.doi.org/10.1093/ietfec/e89-a.9.2381},
tags = {partitioning},
researchr = {https://researchr.org/publication/KawaiS06},
cites = {0},
citedby = {0},
journal = {IEICE Transactions},
volume = {89-A},
number = {9},
pages = {2381-2385},
}