@article{DAS_2021_a19,
     author = {Ashwin Sah and Mehtaab Sawhney and Yufei Zhao},
     title = {Patterns without a popular difference},
     journal = {Discrete analysis},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DAS_2021_a19/}
}