%0 Journal Article %A A. A. Aizenberg %T Substitutions of polytopes and of simplicial complexes, and multigraded Betti numbers %J Trudy Moskovskogo matematičeskogo obŝestva %D 2013 %P 211-245 %V 74 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_2013_74_2_a1/ %G ru %F MMO_2013_74_2_a1