1. J. Wess and B. Zumino,Nucl. Phys. (Proc. Suppl.) B,18, 302 (1990).
2. S. L. Woronwicz,Commun. Math. Phys.,122, 125 (1989).
3. I. Arefeva and I. Volovich, “Quantum group particles and non-Archimedian geometry,” Preprint CERN TH-6137/91.
4. M. B. Green, J. H. Schwarz and E. Witten,Superstring Theory, Vol. 1, 2, Cambridge Univ., Cambridge (1987)
5. L. D. Faddeev and P. N. Pyatov, “The differential calculus on linear quantum groups”, hep-th/9402070