1. I. G. Dyad'kin, Zh. eksperim. i teor. fiz.,34, 1504 (1958).
2. I. G. Dyad'kin, Solution of Vik's problem and the corresponding partial probabilities [in Russian]; Paper in the Collection ?Neutron Physics?, Gosatomizdat, Moscow, 1961 [at press].
3. I. G. Dyad'kin, Space-energy-angular distribution of Neutrons in Multicomponent Infinite Media [in Russian], loc. cit.
4. V. A. Ditkin and P. I. Kuznetsov, Handbook on Operational Calculations [in Russian], Gostekhteorizdat (Moscow-Leningrad, 1951) p. 137.
5. L. Landau and E. Lifshits, Quantum Mechanics, Part 1, Gostekhteorizdat (Moscow-Leningrad, 1948) p. 560.