%0 Journal Article %T On the correctness of a different-order mathematical model %A Golovko, N.. %K mathematical model, free oscillations, nonsmooth solutions. %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 2 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov