1. V. de Alfaro and T. Regge, Potential Scattering (North-Holland, Amsterdam, 1965); P. D. B. Collins, An Introduction to Regge Theory and High-Energy Physics (Cambridge Univ. Press, Cambridge, 1977).
2. F. Low, Phys. Rev. D 12, 163 (1975); V. N. Gribov, E. M. Levin, and M. G. Ryskin, Phys. Rep. 100, 1 (1983).
3. V. N. Gribov, Zh. Éksp. Teor. Fiz. 53, 654 (1968) [Sov. Phys. JETP 26, 414 (1968)]; Nucl. Phys. B 106B 189 (1976).
4. L. N. Lipatov, Yad. Fiz. 23, 642 (1976) [Sov. J. Nucl. Phys. 23, 338 (1976)]; E. A. Kuraev, L. N. Lipatov, and V. S. Fadin, Phys. Lett. B 60B, 50 (1975); Zh. Éksp. Teor. Fiz. 71, 840 (1976) [Sov. Phys. JETP 44, 443 (1976)]; Zh. Éksp. Teor. Fiz. 72, 377 (1977) [Sov. Phys. JETP 45, 199 (1977)]; Ya. Ya. Balitskii and L. N. Lipatov, Yad. Fiz. 28, 1597 (1978) [Sov. J. Nucl. Phys. 28, 822 (1978)].
5. J. Bartels, Nucl. Phys. B 175, 365 (1980); J. Kwiecinski and M. Praszalowicz, Phys. Lett. B 94B, 413 (1980); L. N. Lipatov, in Perturbative QCD, Ed. by A. H. Mueller (World Sci., Singapore, 1989).