Daniel P. Sanders, Yue Zhao. A note on the three color problem. Graphs and Combinatorics, 11(1):91-94, 1995. [doi]
@article{SandersZ95-0, title = {A note on the three color problem}, author = {Daniel P. Sanders and Yue Zhao}, year = {1995}, doi = {10.1007/BF01787424}, url = {http://dx.doi.org/10.1007/BF01787424}, researchr = {https://researchr.org/publication/SandersZ95-0}, cites = {0}, citedby = {0}, journal = {Graphs and Combinatorics}, volume = {11}, number = {1}, pages = {91-94}, }