00492naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200007000101210005100171215001000222608002700232675002900259700001900288856001500307EN\INFRA-M\bibl\4742520240514062018.2##a2308-4898##a20211209b2021####ek#y0engy0150####ca##aRU1#aThe Origins of Formation of Descriptive GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a8 с.##aJournal article2local##aМатематика. 51#1aSal'kovgN. A.4#anaukaru.ru