TY JOUR TI MATHEMATICAL MODEL OF THE OPERATING PROCESS OF THE ROTOR-THROWING MACHINE KW working body KW ground gun KW strip laying machine KW soil KW simulation model JO Forestry Engineering Journal AU Bartenev, I.M. AU Petkov, A.F. AU Kamalova, N.S. PY 2021 IS 11 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov