00329nam a2200121Ia 4500082002000000100001800020245006400038260003400102300002100136490004000157500000500197700000500202  a515.72bB824.DD  aBratteli, Ola  aDerivations, dissipations and group actions on C*-algebrab  aBerlinbSpringer-Verlagc1986  avi, 277p. Index.  aLecture notes in Mathematicsv 1229  a  a