• [1]

    R. Jackiw, D. Gross, Lectures on Current Algebra and its Applications, Princeton University Press (Princeton, 1972).[2] S. J. Brodsky ,Tao Huang and G. P. Lepage, Published in Springer Tracts in Modern Physics,Vol. 100, "Quarks and Nuclear Forces" ed. by D. Fries and B. Zeitnitz, (1982).[3] G. P. Lepage and S. J. Brodsky, Phys. Rev., D22(1980), 2157.[4] Tao Huang, Published in the Proceedings of the XXth Int. Conf. on High Energy Physics, Madison,Wisc. (1980), S. J. Brodsky, Tao Husng, and G. P. Lepage, SLAC-PUB-2540, 2580.[5] G. P. Lepage, S. J. Brodsky, Tao Huang and P. B. Mackenzie, in Particles and Fields 2, ed. by A. Z. Capri abd A. N. Karnal (Plenum, New York, 1983).[6] R. A. Brandt, Phys. Rev., 180 lt969), 1490[7] J. Schwinger, Phys. Rev., 82 (1951), 664; C. R. Hagen, Phys. Rev., 177(1969), 2622.[8] R. Jackiw, K. Johnson, Phys. Rev., 182 (1969), 1459.