%0 Journal Article %A V. V. Plakhotnik %T Representations of partially ordered sets over commutative rings %J Izvestiya. Mathematics %D 1976 %P 497-514 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1976_10_3_a3/ %G en %F IM2_1976_10_3_a3