00660naa#a2200193#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200007800126210005100204215001000255608002700265675010500292700003000397856003900427EN\INFRA-M\bibl\16612/en/manage/index20241112090457.2##a2500-0489##a20170914b2017####ek#y0engy0150####ca0#aRUS##aRU1#aOptimization problems in school textbooks on mathematicseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a7 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aMusingNail' Minbarievich4#atest.editorum.ruu/en/manage/index