%0 Journal Article %A Elstrodt, J. %A Grunewald, F. %A Mennicke, J. %T On unramified Am-extensions of quadratic number fields %J Glasgow mathematical journal %D 1985 %P 31-37 %V 26 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006054/ %R 10.1017/S0017089500006054 %F 10_1017_S0017089500006054