LDR 00454naa#a2200181#i#450#
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101 0# _aENG
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200 1# _a
       _eJournal article
210 1# _aMoscow
       _cElectronic science
       _d2018
215 ## _a0 с.
608 ## _aJournal article
       _2local
675 ## _a. 334.723+ 331.103.5
       _zENG
700 #1 _aMatveeva
       _gAlla Ivanovna
856 4# _ae-integral.ru
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