00641naa#a2200193#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200010300109210005100212215001000263608002700273675007800300700003200378700002200410856001500432EN\INFRA-M\bibl\2893820240424032652.3##a2306-1731##a20190606b2019####ek#y0engy0150####ca0#aRUS##aRU1#aThe Role and the Place of Geometry in the System of Mathematical School OlympiadseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a4 с.##aJournal article2local##aСтатистика. Демография. Социология. 31zRUS#1aKeldibekovagAida Oskonovna#1aSelivanovagN. S.4#anaukaru.ru