by Marie-Pierre Béal and Dominique Perrin
Reference:
A quadratic algorithm for road coloring (Marie-Pierre Béal and Dominique Perrin), In Discrete Applied Mathematics, volume 169, 2014.
Bibtex Entry:
@article{BealPerrin2014,
author = {Marie{-}Pierre B{\'{e}}al and
Dominique Perrin},
title = {A quadratic algorithm for road coloring},
journal = {Discrete Applied Mathematics},
volume = {169},
pages = {15--29},
year = {2014},
url = {http://dx.doi.org/10.1016/j.dam.2013.12.002},
doi = {10.1016/j.dam.2013.12.002},
}