TY JOUR TI ANALYTICAL SOLUTION OF THE EQUATION OF CONDUCTIVITY FOR VARIOUS BOUNDARY CONDITIONS KW heat equation KW method of variational iterations KW analytical solution KW finite difference method JO Automation and modeling in design and management AU Krys'ko, V.A. AU Saltykova, O.A. AU Tebyakin, A.D. PY 2019 IS 2019 PB Bryansk State Technical University