%0 Journal Article %A György Elekes %T On the structure of sets with many $k$-term arithmetic progressions %J Acta Arithmetica %D 2009 %P 145-164 %V 138 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa138-2-4/ %R 10.4064/aa138-2-4 %G en %F 10_4064_aa138_2_4