Sandra Kiefer, Ilia Ponomarenko, Pascal Schweitzer. The Weisfeiler-Leman Dimension of Planar Graphs Is at Most 3. Journal of the ACM, 66(6), 2019. [doi]
@article{KieferPS19,
title = {The Weisfeiler-Leman Dimension of Planar Graphs Is at Most 3},
author = {Sandra Kiefer and Ilia Ponomarenko and Pascal Schweitzer},
year = {2019},
doi = {10.1145/3333003},
url = {https://doi.org/10.1145/3333003},
researchr = {https://researchr.org/publication/KieferPS19},
cites = {0},
citedby = {0},
journal = {Journal of the ACM},
volume = {66},
number = {6},
}