@article{10_37236_7074,
     author = {George F. McNulty},
     title = {Some variations on a theme of {Irina} {Mel'nichuk} concerning the avoidability of patterns in strings of symbols},
     journal = {The electronic journal of combinatorics},
     year = {2018},
     volume = {25},
     number = {2},
     doi = {10.37236/7074},
     zbl = {1398.68421},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/7074/}
}