%0 Journal Article %A Carlos Segovia %A Monika Winklmeier %T On the density of certain languages with \(p^2\) letters %J The electronic journal of combinatorics %D 2015 %V 22 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/4668/ %R 10.37236/4668 %F 10_37236_4668