%0 Journal Article %A Clements, G. F. %T On Existence of Distinct Representative Sets for Subsets of a Finite Set %J Canadian journal of mathematics %D 1970 %P 1284-1292 %V 22 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-144-8/ %R 10.4153/CJM-1970-144-8 %F 10_4153_CJM_1970_144_8