1. Agmon, S.: Ann. Scuola Norm. Sup. Pisa, Ser. 4,2, 151?218 (1975)
2. Enss, V.: Asymptotic completeness for quantum mechanical potential scattering. I. Short range potentials. Commun. Math. Phys.61, 285 (1978)
3. Faddeev, L.: Mathematical aspects of the three body problem in quantum scattering. Steklov Institute (1963)
4. Ginibre, J., Moulin, M.: Hilbert space approach to the quantum mechanical three-body problem. Ann. Inst. Henri Poincaré A21, 97?145 (1974)
5. Hagedorn, G.: Trans. Am. Math. Soc.358, 1?75 (1980)