%0 Journal Article %T DESCRIPTION OF ELECTRONIC COMMERCE SYSTEMS BY FUZZY LOGIC %A Yudina, N.. %A Kushcheva, I.S. %A Nazarov, B.T. %K E-commerce, fuzzy logic, alternative, outcome, performance criteria. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2020 %N 8 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov