Brett Stevens. Problem 11192. The American Mathematical Monthly, 112(10):930, 2005. [doi]
@article{Stevens05-0,
title = {Problem 11192},
author = {Brett Stevens},
year = {2005},
url = {http://www.jstor.org/stable/30037641},
researchr = {https://researchr.org/publication/Stevens05-0},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {112},
number = {10},
pages = {930},
}