%0 Journal Article %A Teresa X.S. Li %A Melissa Y.F. Miao %T Invariant principal order ideals under Foata's transformation %J The electronic journal of combinatorics %D 2012 %V 19 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/2680/ %R 10.37236/2680 %F 10_37236_2680