%0 Journal Article %A Ljiljana Brankovic %A Paulette Lieby %A Mirka Miller %T Flattening antichains with respect to the volume %J The electronic journal of combinatorics %D 1999 %V 6 %U http://geodesic.mathdoc.fr/articles/10.37236/1433/ %R 10.37236/1433 %F 10_37236_1433