@article{Kruchinin2015mathematical,
author={Kruchinin, I.N.},
title={Mathematical model of transportation of timber},
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={2015},
pages={244-247},
volume={3},
issue={2},
}