@article{SLC_2017_78B_a72,
     author = {Ira M. Gessel and Sean Griffin and Vasu Tewari},
     title = {Schur {Positivity} and {Labeled} {Binary} {Trees}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {78B},
     year = {2017},
     url = {http://geodesic.mathdoc.fr/item/SLC_2017_78B_a72/}
}