00679naa#a2200193#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200009700109210005100206215001000257608002700267675011300294700003100407700003200438856001500470EN\INFRA-M\bibl\2357420241119145742.2##a1998-0744##a20181024b2018####ek#y0engy0150####ca0#aRUS##aRU1#aThe Study of the Concept of a Derivative in Classes with Different ProfileseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2018##a7 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aPesterevagVera Leonidovna#1aCheremnyhgElena Leonidovna4#anaukaru.ru