Ligang Jin, Ying-li Kang, Michael Schubert, Yingqian Wang. Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable. SIAM J. Discrete Math., 31(3):1836-1847, 2017. [doi]
@article{JinKSW17, title = {Plane Graphs without 4- and 5-Cycles and without Ext-Triangular 7-Cycles are 3-Colorable}, author = {Ligang Jin and Ying-li Kang and Michael Schubert and Yingqian Wang}, year = {2017}, doi = {10.1137/16M1086418}, url = {https://doi.org/10.1137/16M1086418}, researchr = {https://researchr.org/publication/JinKSW17}, cites = {0}, citedby = {0}, journal = {SIAM J. Discrete Math.}, volume = {31}, number = {3}, pages = {1836-1847}, }