%0 Journal Article %A Opolka, Hans %T The twisted group algebra of a finite nilpotent group over a number field %J Glasgow mathematical journal %D 1979 %P 55-61 %V 20 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003724/ %R 10.1017/S0017089500003724 %F 10_1017_S0017089500003724