%0 Journal Article %A Yu. A. Skachkova %T Boolean lattices of multiply $\Omega$-foliated formations %J Diskretnaya Matematika %D 2002 %P 42-46 %V 14 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_2002_14_3_a4/ %G ru %F DM_2002_14_3_a4