%0 Journal Article %A Shtrakov, Slavcho %T Essential Arity Gap of Boolean Functions %J Serdica Journal of Computing %D 2008 %P 249-266 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJC_2008_2_3_a2/ %G en %F SJC_2008_2_3_a2