1. L.N. Lipatov, Reggeization of the Vector Meson and the Vacuum Singularity in Nonabelian Gauge Theories, Sov. J. Nucl. Phys.
23 (1976) 338 [INSPIRE].
2. E.A. Kuraev, L.N. Lipatov and V.S. Fadin, Multi-Reggeon Processes in the Yang-Mills Theory, Sov. Phys. JETP
44 (1976) 443 [INSPIRE].
3. E.A. Kuraev, L.N. Lipatov and V.S. Fadin, The Pomeranchuk Singularity in Nonabelian Gauge Theories, Sov. Phys. JETP
45 (1977) 199 [INSPIRE].
4. I.I. Balitsky and L.N. Lipatov, The Pomeranchuk Singularity in Quantum Chromodynamics, Sov. J. Nucl. Phys.
28 (1978) 822 [INSPIRE].
5. L.N. Lipatov, Small x physics in perturbative QCD, Phys. Rept.
286 (1997) 131 [hep-ph/9610276] [INSPIRE].