%0 Journal Article %T THEORETICAL ANALYSIS OF THE CATEGORY OF QUALITY IN THE HISTORICAL RETROSPECTIVE OF ECONOMIC TEACHINGS %A Tereshchenko, N.N. %A Kasyanova, M.S. %K quality, evolution, economic schools, service sector, value, marginal utility %J Trade, service, food industry %D 2026 %N 6 %P 14 %I Siberian Federal University