@article{10_37236_2680,
     author = {Teresa X.S. Li and Melissa Y.F. Miao},
     title = {Invariant principal order ideals under {Foata's} transformation},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {4},
     doi = {10.37236/2680},
     zbl = {1267.05011},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2680/}
}