@article{CMH_1982__57_139925,
     author = {Michel Andr\'e},
     title = {Le caract\`ere additif des d\'eviations des anneaux locaux.},
     journal = {Commentarii mathematici Helvetici},
     pages = {648--675},
     year = {1982},
     volume = {57},
     zbl = {0509.13007},
     url = {http://geodesic.mathdoc.fr/item/CMH_1982__57_139925/}
}