@article{Knuth07-0,
  title = {Problem 11264},
  author = {Donald E. Knuth},
  year = {2007},
  url = {http://www.jstor.org/stable/27642122},
  researchr = {https://researchr.org/publication/Knuth07-0},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {114},
  number = {1},
  pages = {77},
}