Nicholas Pippenger. Two Extensions of Results of Archimedes. The American Mathematical Monthly, 118(1):66-71, 2011. [doi]
@article{Pippenger11, title = {Two Extensions of Results of Archimedes}, author = {Nicholas Pippenger}, year = {2011}, doi = {10.4169/amer.math.monthly.118.01.066}, url = {http://dx.doi.org/10.4169/amer.math.monthly.118.01.066}, researchr = {https://researchr.org/publication/Pippenger11}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {118}, number = {1}, pages = {66-71}, }