00513naa#a2200181#i#450# EN\INFRA-M\bibl\11725 20240813065553.2 2500-3313 20160425b2016####ek#y0engy0150####ca RUS RU Descriptive Geometry in Modern Education Journal article Moscow INFRA-M Academic Publishing LLC. 2016 6 с. Journal article local Beglov I. A. Rustamyan Vyacheslav Volodyaevich naukaru.ru