%0 Journal Article %A A.V. Roiter %A L.A. Nazarova %T Representations of bipartite completed posets. %J Commentarii mathematici Helvetici %D 1988 %P 498-526 %V 63 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1988__63_4_140131/ %F CMH_1988__63_4_140131