Daniel Reem. Problem 11352. The American Mathematical Monthly, 115(3):263, 2008. [doi]
@article{Reem08,
title = {Problem 11352},
author = {Daniel Reem},
year = {2008},
url = {http://www.jstor.org/stable/27642456},
researchr = {https://researchr.org/publication/Reem08},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {115},
number = {3},
pages = {263},
}