00594naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200006300109210005100172215001000223608002700233675010500260700003200365856001500397EN\INFRA-M\bibl\2729920240805002817.1##a2500-0489##a20190513b2019####ek#y0engy0150####ca0#aRUS##aRU1#aTasks of the city olympiad in mathematicseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a4 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aKeldibekovagAida Oskonovna4#anaukaru.ru