Calculation of the Thermal State of the Graphite Moderator of the RBMK Reactor Alexander V. Vorobiev, Vitaly O. Dmitriev, Ivan G. Tkachenko and Alexander S. Matveev MATEC Web Conf., 91 (2017) 01014 Published online: 20 December 2016 DOI: 10.1051/matecconf/20179101014