@article{SLC_1997_39_a0,
     author = {Rudolf Winkel},
     title = {Schubert {Functions} and the {Number} of {Reduced} {Words} of {Permutations}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1997},
     volume = {39},
     url = {http://geodesic.mathdoc.fr/item/SLC_1997_39_a0/}
}