TY - JOUR AU - Ewell, John A. TI - On The Determination of Sets by Sets of Sums of Fixed Order JO - Canadian journal of mathematics PY - 1968 SP - 596 EP - 611 VL - 20 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-059-6/ DO - 10.4153/CJM-1968-059-6 ID - 10_4153_CJM_1968_059_6 ER -