LDR 00548naa#a2200169#i#450#
001     EN\INFRA-M\bibl\12269
005     20240915045712.7
011 ## _a1998-0728
100 ## _a20160617b2016####ek#y0engy0150####ca
101 0# _aRUS
102 ## _aRU
200 1# _aDevelopment of Ideas of Math Education of Younger Schoolchildren in Soviet School in 30-50-ies of the XX Century
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2016
215 ## _a3 с.
608 ## _aJournal article
       _2local
700 #1 _aKochurova
       _gElena Eduardovna
856 4# _anaukaru.ru
       _u