%0 Journal Article
%A Copi, Irving M.
%A Harary, Frank
%T Some properties of n-adic relations
%J Portugaliae mathematica
%D 1953
%P 143-152
%V 12
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1953__12_4_114726/
%G en
%F PORMA_1953__12_4_114726