@article{JAC_2002__15_3_a0,
     author = {Stembridge, John R.},
     title = {A weighted enumeration of maximal chains in the {Bruhat} order},
     journal = {Journal of Algebraic Combinatorics},
     pages = {291--301},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2002__15_3_a0/}
}