%0 Journal Article %T USING MATHEMATICAL DESCRIPTION OF ACTIVITIES FOR PURPOSIVE SYSTEMS ON BASIS OF NEURAL NETWORK METHODS %A Lavlinskiy, V.V. %A Yan'shin, S.N. %K %J Modeling of systems and processes %D 2017 %N 10 %P 6 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov