A. O. Barut (auth.)

{pdf} Conformal Groups and Related Symmetries Physical Results and Mathematical Background: Proceedings of a Symposium Held at the Arnold Sommerfeld Institute for Mathematical Physics (ASI) Technical University of Clausthal, Germany August 12?14, 1985 A. O. Barut (auth.), A. O. Barut, H. -D. Doebner (eds.)