1. B. P. Kochurov and V. M. Malofeev, At. Energ.,42, No. 2, 87 (1977).
2. A. M. Pavlovichev and A. P. Rudik, At. Energ.,40, No. 2, 173 (1976).
3. V. V. Khromov et al., in: Physics of Nuclear Reactors [in Russian], Atomizdat, Moscow (1968), p. 159.
4. S. N. Zukhovitskii and L. N. Avdeeva, Linear and Convex Programming [in Russian], Nauka, Moscow (1967).
5. B. P. Kochurov and V. M. Malofeev, Preprint ITÉF-74, Moscow (1977).