Publisher
Springer Science and Business Media LLC
Reference15 articles.
1. G. Veneziano:Nuovo Cimento,57 A, 190 (1968).
2. C. Lovelace:Phys. Lett.,28 B, 264 (1968).
3. E. Predazzi: to be published inLectures in Theoretical Physics, Boulder Summer School (1969).
4. W. Magnus, F. Oberhettinger andR. Soni:Formulas and Theorems for the Special Functions of Mathematical Physics (New York, 1966).
5. See, for example,V. Barger andD. Cline:Phenomenological Theories of High-Energy Scattering (New York, 1969).