Runrun Liu, Gexin Yu. Planar graphs without short even cycles are near-bipartite. Discrete Applied Mathematics, 284:626-630, 2020. [doi]
@article{LiuY20-12,
title = {Planar graphs without short even cycles are near-bipartite},
author = {Runrun Liu and Gexin Yu},
year = {2020},
doi = {10.1016/j.dam.2020.04.017},
url = {https://doi.org/10.1016/j.dam.2020.04.017},
researchr = {https://researchr.org/publication/LiuY20-12},
cites = {0},
citedby = {0},
journal = {Discrete Applied Mathematics},
volume = {284},
pages = {626-630},
}