Wen-Qing Xu, Solomon W. Golomb. Two-Dimensional Array Coloring With Many Colors. IEEE Transactions on Information Theory, 54(9):4391-4394, 2008. [doi]
@article{XuG08-0, title = {Two-Dimensional Array Coloring With Many Colors}, author = {Wen-Qing Xu and Solomon W. Golomb}, year = {2008}, doi = {10.1109/TIT.2008.928286}, url = {http://dx.doi.org/10.1109/TIT.2008.928286}, researchr = {https://researchr.org/publication/XuG08-0}, cites = {0}, citedby = {0}, journal = {IEEE Transactions on Information Theory}, volume = {54}, number = {9}, pages = {4391-4394}, }