%0 Journal Article %A Ewell, John A. %T On The Determination of Sets by Sets of Sums of Fixed Order %J Canadian journal of mathematics %D 1968 %P 596-611 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-059-6/ %R 10.4153/CJM-1968-059-6 %F 10_4153_CJM_1968_059_6