1. V. V. Smelov and G. A. Ilyasova, in: Computational Methods in Transport Theory [in Russian], G. I. Marchuk (editor), Atomizdat, Moscow (1969), p. 173.
2. I. Aviram and Y. Yeivin, J. Nucl. Energy,24, 289 (1970).
3. A. D. Galanin, Heterogeneous Reactor Theory [in Russian], Atomizdat, Moscow (1971).
4. A. D. Galanin, The Theory of Thermal Neutron Reactors [in Russian], Atomizdat, Moscow (1959).
5. V. V. Smelov, Atomnaya �nergiya,33, 915 (1972).