LDR 00492naa#a2200169#i#450# 001 EN\INFRA-M\bibl\47425 005 20240328215745.4 011 ## _a2308-4898 100 ## _a20211209b2021####ek#y0engy0150####ca 102 ## _aRU 200 1# _aThe Origins of Formation of Descriptive Geometry _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2021 215 ## _a8 с. 608 ## _aJournal article _2local 675 ## _aМатематика. 51 _z 700 #1 _aSal'kov _gN. A. 856 4# _anaukaru.ru _u