1. N. A. Dollezhal' and I. Ya. Emel'yanov, Channel Nuclear Reactor [in Russian], Atomizdat, Moscow (1980).
2. E. V. Filipchuk, P. T. Potapenko, and V. V. Postnikov, Control of the Neutron Field of a Nuclear Reactor [in Russian], Énergoizdat, Moscow (1981).
3. L. P. Yaroslavskii, Introduction to Digital Image Processing [in Russian], Sov. Radio, Moscow (1979).
4. V. Cappellini, A. Constantinidis, and P. Emiliani, Digital Filters and Their Applications, Academic Press, NY (1978).
5. V. K. Goryunov, ?Distortions of the neutron field in reactors with randomly distributed disturbances of the macrosections,? At. Énerg.,49, No. 5, 321?323 (1980).