Ilya D. Shkredov. Any small multiplicative subgroup is not a sumset. Finite Fields and Their Applications, 63:101645, 2020. [doi]
@article{Shkredov20,
title = {Any small multiplicative subgroup is not a sumset},
author = {Ilya D. Shkredov},
year = {2020},
doi = {10.1016/j.ffa.2020.101645},
url = {https://doi.org/10.1016/j.ffa.2020.101645},
researchr = {https://researchr.org/publication/Shkredov20},
cites = {0},
citedby = {0},
journal = {Finite Fields and Their Applications},
volume = {63},
pages = {101645},
}