@article{CTGDC_1981__22_4_407_0,
     author = {Pedersen, Jean},
     title = {Combinatorics, group theory and geometric models},
     journal = {Cahiers de Topologie et G\'eom\'etrie Diff\'erentielle Cat\'egoriques},
     pages = {407--428},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {22},
     number = {4},
     year = {1981},
     mrnumber = {639051},
     zbl = {0482.51020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CTGDC_1981__22_4_407_0/}
}