Daiqiang Hu, Jian-Liang Wu. Planar graphs without intersecting 5-cycles are 4-choosable. Discrete Mathematics, 340(8):1788-1792, 2017. [doi]
@article{HuW17-0,
title = {Planar graphs without intersecting 5-cycles are 4-choosable},
author = {Daiqiang Hu and Jian-Liang Wu},
year = {2017},
doi = {10.1016/j.disc.2017.03.012},
url = {https://doi.org/10.1016/j.disc.2017.03.012},
researchr = {https://researchr.org/publication/HuW17-0},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {340},
number = {8},
pages = {1788-1792},
}