@article{Pilnik2014methods,
author={Pilnik, Y.N. and Burmistrova, O.N.},
title={Methods of optimal transport flows 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={2014},
pages={155-158},
volume={2},
issue={3},
}