1. A. Erdélyi (Editor):Higher Transcendental Functions, Vol.2 (New York, N. Y. 1953).
2. S. Ahmed,M. Bruschi,F. Calogero,M. A. Olshanetsky andA. M. Perelomov:Properties of the zeros of the classical polynomials and of Bessel functions, Nuovo Cimento B (in press).
3. V. Smirnov:Course of Higher Mathematics, Vol.4, sect. 1.57 (Moscow, 1964).
4. F. Calogero:Nuovo Cimento,43 B, 177 (1978);Lett. Nuovo Cimento,19, 505 (1977).
5. F. Calogero:Singular integral operators with integral eigenvalues and polynomial eigen functionunctions,Nuovo Cimento B (in press).