@article{Monterde08,
  title = {Problem 11359},
  author = {Juan Monterde},
  year = {2008},
  url = {http://www.jstor.org/stable/27642486},
  researchr = {https://researchr.org/publication/Monterde08},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {115},
  number = {4},
  pages = {365},
}