René van den Brink, Robert P. Gilles. Ranking by outdegree for directed graphs. Discrete Mathematics, 271(1-3):261-270, 2003. [doi]
@article{BrinkG03,
title = {Ranking by outdegree for directed graphs},
author = {René van den Brink and Robert P. Gilles},
year = {2003},
doi = {10.1016/S0012-365X(03)00050-5},
url = {http://dx.doi.org/10.1016/S0012-365X(03)00050-5},
tags = {graph-rewriting, rewriting},
researchr = {https://researchr.org/publication/BrinkG03},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {271},
number = {1-3},
pages = {261-270},
}