On the product of square-free words

Aldo de Luca. On the product of square-free words. Discrete Mathematics, 52(2-3):143-157, 1984. [doi]

@article{Luca84,
  title = {On the product of square-free words},
  author = {Aldo de Luca},
  year = {1984},
  doi = {10.1016/0012-365X(84)90077-3},
  url = {http://dx.doi.org/10.1016/0012-365X(84)90077-3},
  researchr = {https://researchr.org/publication/Luca84},
  cites = {0},
  citedby = {0},
  journal = {Discrete Mathematics},
  volume = {52},
  number = {2-3},
  pages = {143-157},
}