%0 Journal Article %T The correctness of a different-order mathematical model with with nonsmooth solutions %A Golovko, N.. %K mathematical model, free oscillations, nonsmooth solutions. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2015 %N 3 %P 4 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov