@article{Mabry03a,
  title = {Problem 11001},
  author = {Rick Mabry},
  year = {2003},
  url = {http://www.jstor.org/stable/3647943},
  researchr = {https://researchr.org/publication/Mabry03a},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {110},
  number = {3},
  pages = {240},
}