%0 Journal Article %A Paul Balister %A Béla Bollobás %A Robert Morris %T The sharp threshold for making squares %J Annals of mathematics %D 2018 %P 49-143 %V 188 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2018.188.1.2/ %R 10.4007/annals.2018.188.1.2 %G en %F 10_4007_annals_2018_188_1_2