00567naa#a2200181#i#450# EN\INFRA-M\bibl\39077 20260208092051.7 2308-4898 20200817b2020####ek#y0engy0150####ca RU Representation of Engineering Geometry Development in “Geometry and Graphics” Journal Journal article Moscow INFRA-M Academic Publishing LLC. 2020 18 с. Journal article local Математика. 51 Sal'kov N. A. Kadykova Nina S. zh-szf.ru