@article{JEP_2021__8__311_0,
     author = {Michael Bj\"orklund and Alexander Fish and Ilya D. Shkredov},
     title = {Sets of transfer times with small densities},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques},
     pages = {311--329},
     publisher = {\'Ecole polytechnique},
     volume = {8},
     year = {2021},
     doi = {10.5802/jep.147},
     mrnumber = {4218160},
     zbl = {07315958},
     language = {en},
     url = {https://jep.centre-mersenne.org/articles/10.5802/jep.147/}
}