1. Yu.L. Dokshitzer: Sov. Phys. JETP46, 641 (1977)
2. Yu.L. Dokshitzer, D.I. Dyakonov, S.T. Troyan: Phys. Rep.58, 269 (1980)
3. E.A. Kuraev, L.N. Lipatov, V.S. Fadin: Sov. Phys. JETP45, 199 (1977)
4. J. Bartels, M. Loewe: Z. Phys. C—Particles and Fields12, 263 (1982)
5. V.A. Abramovskii, V.N. Gribov, O.V. Kancheli: XVI International Conference on High Energy Physics, Chicago Batavia Vol. 1, 389 (1972)