TY JOUR TI Problem of free oscillations CAR KW vertical oscillation KW angular oscillation KW the oscillation frequency KW resonance. JO Voronezh Scientific-Technical Bulletin AU Venevitina, S.S. AU Zenina, V.. AU Malykhin, V.. PY 2015 IS 4 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov