Razvan A. Satnoianu. Problem 11022. The American Mathematical Monthly, 110(6):542, 2003. [doi]
@article{Satnoianu03, title = {Problem 11022}, author = {Razvan A. Satnoianu}, year = {2003}, url = {http://www.jstor.org/stable/3647916}, researchr = {https://researchr.org/publication/Satnoianu03}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {110}, number = {6}, pages = {542}, }