%0 Journal Article %A Bouchemakh, Isma %A Fatma, Kaci %T On the Dual König Property of the Order-interval Hypergraph of Two Classes of N-free Posets %J Canadian mathematical bulletin %D 2017 %P 43-53 %V 60 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-036-8/ %R 10.4153/CMB-2016-036-8 %F 10_4153_CMB_2016_036_8