1. See, for example, P. Fayet and S. Ferrara:Phys. Report,32 C, No. 5 (1977).
2. M. Omote, Y. Ohnuki andS. Kamefuchi:Prog. Theor. Phys.,56, 1948 (1976).
3. M. Omote andS. Kamefuchi: to be published.
4. L. S. Pontrjagin:Continuous Groups (in Russian), 2nd ed. (Moscow, 1954).
5. Y. Ohnuki andS. Kamefuchi:Quantum Field Theory and Parastatistics, Soryushiron Kenkyu (mimeographed circular in Japanese), Vol.55, special issue (1977).