Article:Hep-th/9502057/unidentified-references

 \newcommand{\np}{Nucl. Phys. } \newcommand{\pr}{Phys. Rev. } \newcommand{\cmp}{Commun. Math. Phys. } \newcommand{\pl}{Phys. Lett. } 

 C. Montonen and D. Olive, Phys. Lett. 72B (1977) 117. 

 E. Witten and D. Olive, \pl 78B (1978) 97. 

 H. Osborn, \pl 83B (1979) 321. 

 F. Englert and P. Windey, Phys. Rev. D14 (1976) 2728; P. Goddard, J. Nuyts and D. Olive, Nucl. Phys. 125B (1977) 1. 

 P. Rossi, \pl Phys. Lett. 99B (1981) 229. 

 J. Cardy and E. Rabinovici, Nucl. Phys. 205B (1982) 1; J.    Cardy, \np 205B (1982) 17. 

 A. Sen, Phys. Lett. B329 (1994) 217. 

 N. Seiberg and E. Witten, Nucl. Phys. B426 (1994) 19, ERRATUM: ibid. B430 (1994) 396; Nucl. Phys. B431 (1994) 484. 


 A. Font, L. Ibanez, D. Lust and F. Quevedo, Phys. Lett. 249B  (1990) 35; S.J. Rey, Phys. Rev. D43 (1991) 526. 


 A. Sen, Int. J. Mod. Phys. A9 (1994) 3707;    J.H. Schwarz and A. Sen, Nucl. Phys. 404B (1993) 109. 


 A. Giveon, M. Porrati and E. Rabinovici, Phys. Rep.  244    (1994) 77. 


 C. Vafa and E. Witten, Nucl. Phys. B431 (1994) 3. 

 L. Girardello, A. Giveon, M. Porrati and A. Zaffaroni, \pl     334B (1994) 331. 

 G. 't Hooft, \np 153B (1979) 141; {\em    Lectures given at the 1980 Schladming Winter School in Physics},    Acta Phys. Austr. Suppl. XXII (1980) 531 (Springer-Verlag, Berlin, 1980). 

 E. Witten, Phys. Lett. 86B (1979) 283. 

 L. Brink, J.H. Schwarz and J. Scherk, \np 121B (1977) 77. 

 M. Grisaru, M. Ro\v{c}ek and W. Siegel, Phys. Rev. Lett. 45 (1980) 1063; L.V. Avdeev, D.V. Tarasov and A.A. Vladimirov, Phys. Lett. 96B (1980) 94; W.E. Caswell and D. Zanon, Phys. Lett. 100B (1981) 152. 

 M.A. Shifman, A.I. Vainshtein and M.I. Vysotsky, \np 254B      (1985) 619; N. Seiberg, \pl 206B (1988) 75. 

 E. Witten, \np 202B (1982) 253. 

 K.G. Wilson, Phys. Rev. B4 (1971) 3174; K.G. Wilson and J. Kogut, Phys. Rep. 12 (1974) 75. 

 J. Polchinski, Nucl. Phys. 231B (1984) 269. 

 G. Gallavotti, Rev. Mod. Phys. 57 (1985) 471. 

 C. Becchi, in {\em Elementary Particles, Quantum Field Theory and Statistical Mechanics}, ed. M. Bonini, G. Marchesini and E. Onofri, Parma University, 1993. 

 P.L. White, Class. Quant. Grav. 9 (1992) 413. 

 T. Appelquist and J. Carrazzone, \pr D11 (1975) 2856. 

 L. Girardello and A. Zaffaroni, Nucl. Phys. 424B (1994) 219. 


 M. Flato and C. Fronsdal, Lett. Math. Phys. 8 (1984) 159; V.K.    Dobrev and V.B. Petkova, Phys. Lett. 162B (1985) 127. 


 C. Imbimbo and S. Mukhi, private communication. 

 M. Luscher, Nucl. Phys. 219B (1983) 261.