Invertible Shuffles: 10931

Robert DeSario, LeRoy Wenstrom. Invertible Shuffles: 10931. The American Mathematical Monthly, 111(2):169-170, 2004. [doi]

@article{DeSarioW04,
  title = {Invertible Shuffles: 10931},
  author = {Robert DeSario and LeRoy Wenstrom},
  year = {2004},
  url = {http://www.jstor.org/stable/4145230},
  researchr = {https://researchr.org/publication/DeSarioW04},
  cites = {0},
  citedby = {0},
  journal = {The American Mathematical Monthly},
  volume = {111},
  number = {2},
  pages = {169-170},
}