1. S. N. Yezhov, V. S. Olkhovsky, G. A. Prokopetz andV. I. Strizhak;Yad. Fiz.,11, 122 (1970).
2. V. S. Olkhovsky: Chapter 6 inSome Problems in Fast Neutron Physics, edited byV. I. Strizhak (Kiev, 1970) (in Russian).
3. V. S. Olkhovsky: Preprint I.T.F./70, Kiev (to appear) (in Russian).
4. See,e.g.,A. S. Davydov:Theorie des Atomkerns, Appendix E (Berlin, 1953).
5. L. D. Faddeev:Žurn. Ėksp. Teor. Fiz.,39, 1959 (1960);A. I. Baz, V. F. Demin andI. I. Kuzmin:Yad. Fiz.,4, 737 (1966).