Factorials and the finite sequences of sets

Nattapon Sonpanow, Pimpen Vejjajiva. Factorials and the finite sequences of sets. Math. Log. Q., 65(1):116-120, 2019. [doi]

@article{SonpanowV19,
  title = {Factorials and the finite sequences of sets},
  author = {Nattapon Sonpanow and Pimpen Vejjajiva},
  year = {2019},
  doi = {10.1002/malq.201800052},
  url = {https://doi.org/10.1002/malq.201800052},
  researchr = {https://researchr.org/publication/SonpanowV19},
  cites = {0},
  citedby = {0},
  journal = {Math. Log. Q.},
  volume = {65},
  number = {1},
  pages = {116-120},
}