LDR 00473naa#a2200157#i#450# 001 EN\INFRA-M\bibl\6a9c13f032807fdbab8566d7 005 20261115142154.7 100 ## _a20131120b2013####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aPractical work in mathematics as methodical innovation _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2013 215 ## _a4 с. 608 ## _aJournal article _2local 700 #1 _aSmoleusova _gT. V. 856 4# _anaukaru.ru _u