@article{Sofair06,
  title = {Problem 11261},
  author = {Isaac Sofair},
  year = {2006},
  url = {http://www.jstor.org/stable/27642099},
  researchr = {https://researchr.org/publication/Sofair06},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {113},
  number = {10},
  pages = {940},
}