• [1]

    [l] B. A. Gordon, et al., Phys. Rev., D20(1975), 3645.[2] M. Okumura, et al., Progr. Theor. Phys., 59(1978), 102.[3] I. Schmidt, et al., Phys. Rev., D16(1977), 1318.[4] J. F. Gunion, et al., Phys. Rev., D8(1973), 287; T. Kanki, et al., Proge. Theor. Phys., 58(1977),1830; T. Kanki, Progr. Theor. Phys., 57(1977), 1641.[5] G. Miller, et al., Phys. Rev., 179(1972), 528; J. Cleymans, et al., Nucl. Phys., B61(1973), 479.[6] Eve. Icovacs, et al., Phys. Rev., D16(1977), 2251; S. J. Brodsky, et al., Phys. Rev., D14(1976),3008.[7] A. J. Buras et al., Nucl. Phys., B132(1978), 249; B131(1977), 308.