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F. D. Murnaghan, Theory of Group Representations,(Johns Hopkins Press, Baltimore 1938).[2] I. M. Gel'fand et al., Representations of the Rotation and Lotentz Groups and Their Applicadons, (Pargamon Press 1963) p353-564.[3] Mark Fischler, J. Math. Phys.,22(1981), 637.