LDR 00564naa#a2200169#i#450#
001     EN\INFRA-M\bibl\49071
005     20241202070144.1
011 ## _a2306-1731
100 ## _a20220714b2022####ek#y0engy0150####ca
102 ## _aRU
200 1# _aComponents of Didactic Complexity of Mathematical Problem and Their Evaluation
       _eJournal article
210 1# _aMoscow
       _cINFRA-M Academic Publishing LLC.
       _d2022
215 ## _a5 с.
608 ## _aJournal article
       _2local
675 ## _aСтатистика. Демография. Социология. 31
       _z
700 #1 _aMayer
       _gR. V.
856 4# _anaukaru.ru
       _u