00515naa#a2200169#i#450# EN\INFRA-M\bibl\13170 20240502035527.4 2308-4898 20160919b2016####ek#y0engy0150####ca RUS RU Place of Descriptive Geometry in the System of Geometric Education of Technical Universities Journal article Moscow INFRA-M Academic Publishing LLC. 2016 8 с. Journal article local Sal'kov N. A. naukaru.ru