%0 Journal Article
%A Imed Zaguia
%T The \(1/3\)-\(2/3\) conjecture for \(N\)-free ordered sets
%J The electronic journal of combinatorics
%D 2012
%V 19
%N 2
%U http://geodesic.mathdoc.fr/articles/10.37236/2345/
%R 10.37236/2345
%F 10_37236_2345