Timothy Marshall. 2/6. The American Mathematical Monthly, 117(4):352-353, 2010. [doi]
@article{Marshall10-3, title = {2/6}, author = {Timothy Marshall}, year = {2010}, doi = {10.4169/000298910X480810}, url = {http://dx.doi.org/10.4169/000298910X480810}, researchr = {https://researchr.org/publication/Marshall10-3}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {117}, number = {4}, pages = {352-353}, }