Chong-Yun Chao, Zhibo Chen. On uniquely 3-colorable graphs. Discrete Mathematics, 112(1-3):21-27, 1993. [doi]
@article{ChaoC93, title = {On uniquely 3-colorable graphs}, author = {Chong-Yun Chao and Zhibo Chen}, year = {1993}, doi = {10.1016/0012-365X(93)90220-N}, url = {http://dx.doi.org/10.1016/0012-365X(93)90220-N}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/ChaoC93}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {112}, number = {1-3}, pages = {21-27}, }