• [1]

    A.J.Buras, Rev. Mod. Phys., 52(1980).A.H.Mueller, Phys. Rep., 73C (1981);S.J.Brodsky, T. Huang and G. P. Lepage, "Particales and Fields", v2, (1983), 143. (ed by A. Z. Cappi and A. Id. Kamal).[2] M. A. Shifman et al, Nucl. Phys., B147, (1979), 385, 448.[3] T. Huang, X. N. Wang and X. D. Xiang, Chinese Phys. Lett., 2(1985), 67 ;Phys. Rev., D35, (1987), 1013.X. D. Xiang, X. N. Wang and T. Huang, BIHEP-TH-29, (1984), Commun.in Thcor. Phys.,6,(1986),117.V. L. Chernyak and A. R. Zhitnitsky, Phys. Rep., 112, (1984), 173.[4] X. N. Wang, X. D. Xiang and T. Huang, Commun. in Theor, Phys.,5,(1986), 123.V. L. Chernyak and A. R, Zhitnitsky, Nucl. Phys., B201, (1982), 492; Phys. Rev., 112, (1984), 173.[5] J. Govaterts et al., Phys.Lett,12BB, (1983), 262.[6] E. V. Shuryak and A. I. Vainshtein, Nucl. Phys., B199, (1982), 451; B201, (1982), 141.L. J. Reinders et,al., Phys, Rep., 127 (1985).S. Mallik. Nucl.Phys., B234, (1984), 45.[7] X. D. Xiang, X. N. Wang and T. Huang, BIHEP-TH-29, (1984).Commun.in Theor; Phys., 6,(1986),117.