r-hued (r + 1)-coloring of planar graphs with girth at least 8 for r ≥ 9

Tytuł:
r-hued (r + 1)-coloring of planar graphs with girth at least 8 for r ≥ 9
Czasopismo:
Rok:
2021

Link:
https://www.sciencedirect.com/science/article/pii/S0195669820301402