TY - JOUR AU - S. S. Marchenkov TI - On the structure of partially ordered sets of Boolean degrees JO - Diskretnaya Matematika PY - 2006 SP - 63 EP - 75 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2006_18_1_a4/ LA - ru ID - DM_2006_18_1_a4 ER -