@article{10_37236_5424,
     author = {Elena A. Petrova},
     title = {Avoiding letter patterns in ternary square-free words},
     journal = {The electronic journal of combinatorics},
     year = {2016},
     volume = {23},
     number = {1},
     doi = {10.37236/5424},
     zbl = {1337.68218},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/5424/}
}