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								[1]
								L. D. Faddeev, "Mathematical Aspects of the ThreeBody Theory. 1965", Israel Program for Scientific Translations, Problem in Quantum Scattering Jerusalem.[2] H. Hepp, Helv. Phys. Acta., 42(1969),425. 
L. D. Faddeev, "Mathematical Aspects of the ThreeBody Theory. 1965", Israel Program for Scientific Translations, Problem in Quantum Scattering Jerusalem.[2] H. Hepp, Helv. Phys. Acta., 42(1969),425.