-
[1]
. Chung S U .CERN Report,CERN ,1971,71— 8 2. Dirac P A M .Proc.Roy.Soc.,1936,A1 55:447 3. Fierz M .Helv .Phys.Acta,1939,12 :3 4. Fierz M ,PauliW .Proc.Roy.Soc.,1939,A173 :211 5. Bargmann V ,Wigner EP .Proc.Nat.Acad.Sci.(USA) ,1948,34:211 6. Jacob M ,Wick G C .Ann .Phys.(USA) ,1959,404 7. WANG QingHai.Master Degree Dissertation of the University of Science and Technology of China (in Chinese) ,1999,43(王清海 .中国科学技术大学硕士学位论文 ,1999,43 )