Imre Leader, Shoham Letzter, Bhargav Narayanan, Mark Walters. Product-free sets in the free semigroup. Eur. J. Comb., 83, 2020. [doi]
@article{LeaderLNW20,
title = {Product-free sets in the free semigroup},
author = {Imre Leader and Shoham Letzter and Bhargav Narayanan and Mark Walters},
year = {2020},
doi = {10.1016/j.ejc.2019.103003},
url = {https://doi.org/10.1016/j.ejc.2019.103003},
researchr = {https://researchr.org/publication/LeaderLNW20},
cites = {0},
citedby = {0},
journal = {Eur. J. Comb.},
volume = {83},
}