@article{BSMF_1986__114__197_0,
     author = {Iversen, Birger},
     title = {Octahedra and braids},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {197--213},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {114},
     year = {1986},
     doi = {10.24033/bsmf.2054},
     mrnumber = {88f:18008},
     zbl = {0626.18006},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.2054/}
}