%0 Journal Article %A Sébastien Labbé %T A counterexample to a question of Hof, Knill and Simon %J The electronic journal of combinatorics %D 2014 %V 21 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/3758/ %R 10.37236/3758 %F 10_37236_3758