@article{IM_1984__78_143168,
     author = {Guy Henniart},
     title = {Galois ...-factors modulo roots of unity.},
     journal = {Inventiones mathematicae},
     pages = {117--126},
     publisher = {mathdoc},
     volume = {78},
     year = {1984},
     zbl = {0557.12011},
     url = {http://geodesic.mathdoc.fr/item/IM_1984__78_143168/}
}