00469naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200002000102210003700122215001000159608002700169675004200196700003400238856001500272EN\\bibl\7441620241123161348.6##a2413-046X##a20171025b2017####ek#y0engy0150####ca0#aENG##aRU1#eJournal article1#aMoscowcElectronic scienced2017##a0 с.##aJournal article2local##aВиды спроса. 339.133.4zENG#1aPlotnikovgAndrey Viktorovich4#aecience.ru