David S. Hough, Rodica Simion. Problem 10794. The American Mathematical Monthly, 107(3):278, 2000. [doi]
@article{HoughS00, title = {Problem 10794}, author = {David S. Hough and Rodica Simion}, year = {2000}, url = {http://www.jstor.org/stable/2589330}, researchr = {https://researchr.org/publication/HoughS00}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {107}, number = {3}, pages = {278}, }