@article{10_4153_CJM_2008_058_3,
     author = {Romo, Fernando Pablos},
     title = {On {n-Dimensional} {Steinberg} {Symbols}},
     journal = {Canadian journal of mathematics},
     pages = {1387--1405},
     year = {2008},
     volume = {60},
     number = {6},
     doi = {10.4153/CJM-2008-058-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2008-058-3/}
}