%0 Journal Article %T Theoretical Aspects of the Toolkit Analysis Effective Use of Energy in an Industrial Enterprise %A Koksharov, V.A. %A Kirshina, I.A. %K production function, interchangeability of energy resources, economic and mathematical estimates, fuel and energy balance %J Scientific Research and Development. Economics %D 2020 %N 8 %P 5 %I INFRA-M Academic Publishing LLC.