%0 Journal Article %A Brendan Murphy %A Eyvindur Ari Palsson %A Giorgis Petridis %T The cardinality of sumsets: different summands %J Acta Arithmetica %D 2015 %P 375-395 %V 167 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa167-4-4/ %R 10.4064/aa167-4-4 %G en %F 10_4064_aa167_4_4