• [1]

    G. Parisi, Nucl. Phys., B180 [FS2] (1981), 378.[2] G. Parisi and Y. S. Wu, Scientia Sinica, 24(1981), 483.[3] G. Parisi et al., Nucl. Phys., B215 (1983), 256.[4] A. Guha and S.-C. Lee, Phys. Letts., 134B (1984), 216.[5] J. Greensite, Phys. Letts., 121B (1983), 169.R. Jengo and N. Parga, Phys. Letts., 134B (1984), 221.[6] C. Brower and M. Nauenberg, Nucl. Phys., B180 [FS2], (1981), 221.[7] G. Aldazabal et al., Phys. Letts., 125B (1983), 305.