%0 Journal Article %A Pióro, Konrad %T On a property of neighborhood hypergraphs %J Commentationes Mathematicae Universitatis Carolinae %D 2006 %P 149-154 %V 47 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_2006__47_1_a12/ %G en %F CMUC_2006__47_1_a12