@article{IM_1970__11_142045,
     author = {A. Rosenberg and R. Ware},
     title = {The {Zero-Dimensional} {Galois} {Cohomology} of {Witt} {Rings.}},
     journal = {Inventiones mathematicae},
     pages = {65--72},
     publisher = {mathdoc},
     volume = {11},
     year = {1970},
     zbl = {0211.37103},
     url = {http://geodesic.mathdoc.fr/item/IM_1970__11_142045/}
}