1. The statements we make, rather liberally, about the basic framework of Regge theory can all be found in the masterly review byR. Oehme:Complex angular momentum, inStrong Interactions and High-Energy Physics, edited byR. G. Moorhouse (London, 1964).
2. V. de Alfaro andT. Regge:Potential Scattering (Amsterdam, 1965).
3. E. C. Titchmarsh:The Theory of Functions, 2nd edition (Oxford, 1960).
4. H. Fleming andE. Predazzi:Lett. Nuovo Cimento,4, 556 (1970);H. Fleming andT. Sawada:Lett. Nuovo Cimento,26, 1045 (1971);H. Fleming:Lett. Nuovo Cimento,3, 363 (1972).
5. R. Oehme:Complex Regge trajectories, preprint from the Enrico Fermi Institute, EFI 71-26 (1971), and references therein.