@article{Gotsev2015mathematical,
author={Gotsev, D.. and Perunov, N..},
title={Mathematical model of the ids fix the vertical mine trunk taking into account initial porosity of material and the depth of the occurrence},
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={301-305},
volume={3},
issue={9},
}