@article{JAC_2008__27_4_a4,
     author = {Barcelo, H\'el\`ene and Smith, Shelly},
     title = {The discrete fundamental group of the order complex of $B_n$},
     journal = {Journal of Algebraic Combinatorics},
     pages = {399--421},
     publisher = {mathdoc},
     volume = {27},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JAC_2008__27_4_a4/}
}