%0 Journal Article %A Raeburn, Iain %A Williams, Dana P. %T Dixmier-Douady Classes of Dynamical Systems and Crossed Products %J Canadian journal of mathematics %D 1993 %P 1032-1066 %V 45 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-057-8/ %R 10.4153/CJM-1993-057-8 %F 10_4153_CJM_1993_057_8