Analytical Estimation of the Central Reflector Impact on Thermal Neutron Flux Density in Research ReactorsDmitry V. Gvozdyakov, Anton O. Tanishev, Svetlana A. Shvab, Vladimir N. Martyshev and Arian V. KuzminMATEC Web of Conferences, 37 (2015) 01024DOI: https://doi.org/10.1051/matecconf/20153701024