Toufik Mansour, Mark Shattuck. On avoidance of patterns of the form σ-τ by words over a finite alphabet. Discrete Mathematics & Theoretical Computer Science, 17(2):181-202, 2015. [doi]
@article{MansourS15-1,
title = {On avoidance of patterns of the form σ-τ by words over a finite alphabet},
author = {Toufik Mansour and Mark Shattuck},
year = {2015},
url = {http://www.dmtcs.org/dmtcs-ojs/index.php/dmtcs/article/view/2559},
researchr = {https://researchr.org/publication/MansourS15-1},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics & Theoretical Computer Science},
volume = {17},
number = {2},
pages = {181-202},
}