%0 Journal Article %A Daniel Oberlin %T The size of sums of sets %J Studia Mathematica %D 1986 %P 139-146 %V 83 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-83-2-139-146/ %R 10.4064/sm-83-2-139-146 %G en %F 10_4064_sm_83_2_139_146