%0 Journal Article %T Mechanical oscillations systems. equivalent forms of mathematical models %A Kaimov, E.. %A Kashuba, V.. %A Kinash, N.. %K lever ties, quasisprings, the given ruggedness, adequacy of lever schemes, equivalent settlement schemes %J Actual directions of scientific researches of the XXI century: theory and practice %D 2014 %N 2 %P 5 %I FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov