Jianfeng Hou, Hongguo Zhu. Choosability with union separation of planar graphs without cycles of length 4. Applied Mathematics and Computation, 386:125477, 2020. [doi]
@article{HouZ20-2,
title = {Choosability with union separation of planar graphs without cycles of length 4},
author = {Jianfeng Hou and Hongguo Zhu},
year = {2020},
doi = {10.1016/j.amc.2020.125477},
url = {https://doi.org/10.1016/j.amc.2020.125477},
researchr = {https://researchr.org/publication/HouZ20-2},
cites = {0},
citedby = {0},
journal = {Applied Mathematics and Computation},
volume = {386},
pages = {125477},
}