00650naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200012400109210005100233215001000284608002700294675011300321700002000434856001400454EN\INFRA-M\bibl\2357320241001212504.2##a1998-0744##a20181024b2018####ek#y0engy0150####ca0#aRUS##aRU1#aWork with Mathematically Gifted Children in a Multi-Level System of Subject Olympiads and CompetitionseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2018##a7 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aAgahanovgN. H.4#azh-szf.ru