00512naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200006200109210005100171215001000222608002700232700001800259700003900277856001400316EN\INFRA-M\bibl\1172520260511165508.1##a2500-3313##a20160425b2016####ek#y0engy0150####ca0#aRUS##aRU1#aDescriptive Geometry in Modern EducationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2016##a6 с.##aJournal article2local#1aBeglovgI. A.#1aRustamyangVyacheslav Volodyaevich4#azh-szf.ru