00531naa#a2200193#i#450# EN\\bibl\76160 /en/manage/index 20251105123806.3 2221-3260 20110225b2011####ek#y0engy0150####ca RUS RU WHAT IS THEORETICAL ECONOMICS AND WHY? Journal article Yaroslavl Yaroslavl State Technical University 2011 6 с. Journal article local . 330.101 RUS fht.editorum.ru /en/manage/index