%0 Journal Article %A S. S. Marchenkov %T On the structure of partially ordered sets of Boolean degrees %J Diskretnaya Matematika %D 2006 %P 63-75 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2006_18_1_a4/ %G ru %F DM_2006_18_1_a4