00623naa#a2200181#i#450# EN\\bibl\41147 20250331154601.1 2658-6436 20201231b2020####ek#y0engy0150####ca RU UGR CALCULATION BASED ON THE LUMINANCE SPATIAL-ANGULAR DISTRIBUTION Journal article Bryansk Bryansk State Technical University 2020 7 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Zheltov Viktor Sergeevich Chembaev Viktor Dmitrievich naukaru.ru