00549naa#a2200169#i#450# EN\\bibl\91082 /en/manage/index 20250830170334.6 2221-3260 20241031b2024####ek#y0engy0150####ca RU Demand, the law of demand, Giffen and Veblen effects. Part 1. Functional demand Journal article Yaroslavl Yaroslavl State Technical University 2024 21 с. Journal article local Tsurikov Vladimir Ivanovich fht.editorum.ru /en/manage/index