-
[1]
X.T. Zheng(郑希特).C. I. Tan and T. L. Chen(陈天斋), Phys. Rev., D26 (1982 ) , 2843.[2] R. C. Edgar and L. M. Crossen,J.Phys., G7(1982), L85. H. Grosse and H. Kuhnelt, Nucl. Phys., B205, (1982 ), 273. C. P. Bachas and R. F. Dashen, Nucl. Phys., B210 [FS6](1982), 583.[3] P. Cvitanovic, J. Greensite and B. Lautrup. Phys. Lett., 105B (1981), 197.[4] D. J. Pritchard. Phys. Lett., 106B(1981), 193.[5] K. E. Eriksson, N. Svartholm and B. S. Skagerstam, CERN Preprint, TH-2974(1980).[6] R. Brower, P. Rossi and C. I. Tan, Nucl. Phys., B190 [FS3](1981), 699.