@article{Belyaev2014features,
author={Belyaev, A..},
title={Features free and compelled fluctuations of mechanical systems},
journal={Actual directions of scientific researches of the XXI century: theory and practice},
publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov},
year={2014},
pages={192-195},
volume={2},
issue={5},
}