@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}, publisher = {mathdoc}, volume = {57}, year = {1982}, zbl = {0509.13007}, url = {http://geodesic.mathdoc.fr/item/CMH_1982__57_139925/} }