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[2] S. Glasstone M. C. Edlund: The Elements of Nuclear Reactor Theory. Toronto - New York - London 1952.

[3] V. Bartošek R. Zezula: Flat Flux in a Slab Reactor with Natural Uranium. Report ÚJV 1310 (1965).

[4] V. Bartošek R. Zezula: Stability of flat thermal flux in a slab reactor. Apl. Mat. 13 (1968), 367-375. MR 0243795

[5] R. Zezula: Sufficient Conditions for the Flattening of Thermal Neutron Flux and Some Related Problems. (in multidimensional geometries). Report ÚJV 1902/67.

[6] M. Hron V. Lelek: Flux Flattening by means of a Non-Uniform Fuel Distribution in a Slab Reactor with Finite Reflector. Report ÚJV 1660 (1966).