@article{SLC_2017_78B_a63,
     author = {Ron M. Adin and Eli Bagno and Yuval Roichman},
     title = {Block {Numbers} of {Permutations} and {Schur-Positivity}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {2017},
     volume = {78B},
     url = {http://geodesic.mathdoc.fr/item/SLC_2017_78B_a63/}
}