@article{Goldoni03,
  title = {Problem 10993},
  author = {Giorgio Goldoni},
  year = {2003},
  url = {http://www.jstor.org/stable/3647780},
  researchr = {https://researchr.org/publication/Goldoni03},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {110},
  number = {2},
  pages = {155},
}