TY  - BOOK
A1  - Baumgärtel, Hellmut
A1  - Lledó, Fernando
T1  - Dual group actions on C*-algebras and their description by Hilbert extensions
T2  - Preprint / SFB 288, Differentialgeometrie und Quantenphysik
Y1  - 2000
UR  - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/18937
VL  - 445
PB  - Techn. Univ.
CY  - Berlin
ER  -