Peter Shiu. On Erdős's Last Equation. The American Mathematical Monthly, 126(9):802-808, 2019. [doi]
@article{Shiu19-1, title = {On Erdős's Last Equation}, author = {Peter Shiu}, year = {2019}, doi = {10.1080/00029890.2019.1639466}, url = {https://doi.org/10.1080/00029890.2019.1639466}, researchr = {https://researchr.org/publication/Shiu19-1}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {126}, number = {9}, pages = {802-808}, }