%0 Journal Article %A A. A. Sapozhenko %T On the number of independent sets in extenders %J Diskretnaya Matematika %D 2001 %P 56-62 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2001_13_1_a1/ %G ru %F DM_2001_13_1_a1