@article{MZ_1993__214_1_174582,
     author = {Vlad Sergiescu},
     title = {Graphes planaires et pr\'esentations des groupes de tresses.},
     journal = {Mathematische Zeitschrift},
     pages = {477--490},
     publisher = {mathdoc},
     volume = {214},
     number = {1},
     year = {1993},
     zbl = {0819.20040},
     url = {http://geodesic.mathdoc.fr/item/MZ_1993__214_1_174582/}
}