@article{SLC_1986_14_a2,
     author = {David Bressoud},
     title = {Constant {Term} {Identities}},
     journal = {S\'eminaire lotharingien de combinatoire},
     year = {1986},
     volume = {14},
     url = {http://geodesic.mathdoc.fr/item/SLC_1986_14_a2/}
}