%0 Journal Article %T UGR CALCULATION BASED ON THE LUMINANCE SPATIAL-ANGULAR DISTRIBUTION %A Zheltov, V.S. %A Chembaev, V.D. %K luminance spatial-angular distribution, UGR, global illumination %J Automation and modeling in design and management %D 2020 %N 2020 %P 7 %I Bryansk State Technical University