@article{Dornyak2019mathematical, author={Dornyak, O.R. and Drapalyuk, M.V. and Kazakov, I.V. and Orudzhov, E.S.}, title={MATHEMATICAL MODEL OF THE SOIL STRESS-STRAIN STATE IN THE PROCESS OF ITS INTERACTION WITH THE WORKING BODIES OF THE DIGGING MACHINE}, journal={Forestry Engineering Journal}, publisher={FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov}, year={2019}, pages={157-163}, volume={9}, issue={2}, }