%0 Journal Article
%A R. Rousseau
%A A. van Daele
%T Crossed Products of Communtation Systems.
%J Mathematische Annalen
%D 1979
%P 7-20
%V 239
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1979__239_163202/
%F MAN_1979__239_163202