@article{Eynden00,
  title = {Problem 10833},
  author = {Charles Vanden Eynden},
  year = {2000},
  url = {http://www.jstor.org/stable/2695747},
  researchr = {https://researchr.org/publication/Eynden00},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {107},
  number = {9},
  pages = {863},
}