%0 Journal Article %A McEliece, Robert J. %T A Generalization of Difference Sets %J Canadian journal of mathematics %D 1967 %P 206-211 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-013-1/ %R 10.4153/CJM-1967-013-1 %F 10_4153_CJM_1967_013_1