@article{MZ_1991__208_3_174311, author = {Roger Ware and Bill Jacob}, title = {Realizing dyadic factors of elementary type {Witt} rings and pro-2 {Galois} groups.}, journal = {Mathematische Zeitschrift}, pages = {193--208}, publisher = {mathdoc}, volume = {208}, number = {3}, year = {1991}, zbl = {0755.11014}, url = {http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174311/} }