00477naa#a2200169#i#450# EN\INFRA-M\bibl\11985 20251213212534.6 2308-4898 20160618b2016####ek#y0engy0150####ca RUS RU Descriptive Geometry — the Base of Computer Graphics Journal article Moscow INFRA-M Academic Publishing LLC. 2016 10 с. Journal article local Sal'kov N. A. zh-szf.ru