TY CONF TI TYPES OF SYSTEMS WITH UNCERTAINTY KW uncertainty KW stochastic uncertainty KW fuzzy uncertainty KW interval uncertainty JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2025 AU Avdeev, K.A. AU Kartashov, A.O. AU Kolomeychuk, A.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov