%0 Journal Article %A Björklund, Michael %A Fish, Alexander %A Shkredov, Ilya D. %T Sets of transfer times with small densities %J Journal de l’École polytechnique — Mathématiques %D 2021 %P 311-329 %V 8 %I Ecole polytechnique %U http://www.numdam.org/articles/10.5802/jep.147/ %R 10.5802/jep.147 %G en %F JEP_2021__8__311_0