00923nam0-22003011i-450-99000095788040332187081-014-6000095788FED01000095788(Aleph)000095788FED0100009578820000920d1971----km-y0itay50------baengDe Sitter and Conformal Groups and Their Applicationsedited by Asim O. Barut and Wesley E. BrittinBoulderColorado Associated University Press1971Lectures in theoretical physics13Scuole di fisica530Barut,Asim Orhan44679Brittin,Wesley E.ITUNINARICAUNIMARCBK99000095788040332122B-001.0258478FI1FI1De Sitter and Conformal Groups and Their Applications358402UNINAING01