TY JOUR TI Bifurcations of stationary manifolds formed in the neighborhood of equilibrium in the dynamic cutting system KW materials cutting KW dynamic system KW invariant manifold KW bifurcations JO Vestnik of Don State Technical University AU Gubanova, A.. AU Zakovorotnyy, V.. AU Khristoforova , V.. PY 2015 IS 15 PB Don state technical University