1. L. D. Landau and E. M. Lifshitz,Quantum Mechanics [in Russian], Nauka, Moscow (1974).
2. A. Messia,Quantum Mechanics [in Russian], vol. 2, Nauka, Moscow (1979).
3. J. Taylor,Scattering Theory [Russian translation], Mir, Moscow (1975).
4. M. Reed and B. Simon,Methods of Modern Mathematical Physics, vol. 3, Scattering Theory [Russian translation], Mir, Moscow (1982).
5. Yu. L. Mentkovskij,Particles in a Nuclear-Coulomb Field [in Russian], Energoatomizdat, Moscow (1982).