@article{PMIHES_2010__112__101_0,
     author = {Deligne, Pierre},
     title = {Le groupe fondamental unipotent motivique de $\mathbb {G}_{m}-\mu _{N}$ , pour {N=2,3,4,6} ou 8},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {101--141},
     publisher = {Springer-Verlag},
     volume = {112},
     year = {2010},
     doi = {10.1007/s10240-010-0027-6},
     mrnumber = {2737978},
     zbl = {1218.14016},
     language = {fr},
     url = {http://www.numdam.org/articles/10.1007/s10240-010-0027-6/}
}