Journal of Automata, Languages and Combinatorics

@article{jalc160101,
  author  = {Sergey Avgustinovich and Sergey Kitaev and Artem Pyatkin and Alexander Valyuzhenich},
  title   = {On Square-Free Permutations},
  journal = jalc,
  year    = 2011,
  volume  = 16,
  number  = {1},
  pages   = {3--10}
}