1. N. Ja Vilenkin and A.U. Klimyk, “Representation of Lie Groups and Special Functions” (Kluwer Academic Publishers, Dordrecht, 1992).
2. J.D. Talman, “Special Functions; A Group Theoretical Approach” (Benjamin, New York, 1968).
3. I.H. Duru and H. Kleinert, Phys.Lett. 84B, 185 (1979); and Forschr.Phys. 30, 401 (1982).
4. I.H. Duru, Phys.Rev. D28, 2689 (1983).
5. I.H. Duru, Phys.Lett. 112A, 421 (1985).