@article{IM_1978__48_142587, author = {J. Rohlfs}, title = {Arithmetisch definierte {Gruppen} mit {Galoisoperation.}}, journal = {Inventiones mathematicae}, pages = {185--206}, publisher = {mathdoc}, volume = {48}, year = {1978}, zbl = {0391.14007}, url = {http://geodesic.mathdoc.fr/item/IM_1978__48_142587/} }