@article{IM_1981__64_142815, author = {P. Deligne and G. Henniart}, title = {Sur la variation, par torsion, des constantes locales d'\'equations fonctionelles de fonctions {L.}}, journal = {Inventiones mathematicae}, pages = {89--118}, publisher = {mathdoc}, volume = {64}, year = {1981}, zbl = {0442.12012}, url = {http://geodesic.mathdoc.fr/item/IM_1981__64_142815/} }