Manoj Prakash Singh. Problem 11045. The American Mathematical Monthly, 110(9):844, 2003. [doi]
@article{Singh03-1, title = {Problem 11045}, author = {Manoj Prakash Singh}, year = {2003}, url = {http://www.jstor.org/stable/3647810}, researchr = {https://researchr.org/publication/Singh03-1}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {110}, number = {9}, pages = {844}, }