A Counterexample to a Question of Hof, Knill and Simon

Sébastien Labbé. A Counterexample to a Question of Hof, Knill and Simon. Electr. J. Comb., 21(3):3, 2014. [doi]

@article{Labbe14,
  title = {A Counterexample to a Question of Hof, Knill and Simon},
  author = {Sébastien Labbé},
  year = {2014},
  url = {http://www.combinatorics.org/ojs/index.php/eljc/article/view/v21i3p11},
  researchr = {https://researchr.org/publication/Labbe14},
  cites = {0},
  citedby = {0},
  journal = {Electr. J. Comb.},
  volume = {21},
  number = {3},
  pages = {3},
}