• [1]

    K. G. Chetyrkin et al., Phys. Lett., 85B(1979), 227.M. Dine and 3. Sapierstein, Phys. Lett., 43(1979), 668.W. Celmaster and R. Gonsalves, Phys. Lett, 44(1980), 560.[2] R. Budny, Phys. Lett., 55B(1975), 227.J . Ellis and M. K. Gaillard, "Physics With Very High Energy e e Colliding Beams", CERN 76-18(21).[3] 3. D. Jackson and D. L. Scharre, Nucl. Insrrum. Meth., B128(1975), 13.[4] M. Krammer et al., DESY 80/25(1980).[5] J. P. Leveille. Proc. Z Theory, Ithaca, N. Y. 1981, p241.S. Pakvasa et al., Phys. Rev., D20(1979), 2862.