Ángel Plaza. The Harmonic Series Diverges. The American Mathematical Monthly, 125(3):222, 2018. [doi]
@article{Plaza18, title = {The Harmonic Series Diverges}, author = {Ángel Plaza}, year = {2018}, doi = {10.1080/00029890.2018.1408375}, url = {https://doi.org/10.1080/00029890.2018.1408375}, researchr = {https://researchr.org/publication/Plaza18}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {125}, number = {3}, pages = {222}, }