%0 Journal Article
%A Frank Röhl
%T On the Isomorphism Problem for Integral Group-Rings of Circle-Groups.
%J Mathematische Zeitschrift
%D 1982
%P 419-422
%V 180
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1982__180_173200/
%F MZ_1982__180_173200