TY JOUR TI Visualization poincare section in nonlinear dynamical systems KW nonlinear dynamics KW chaos KW phase space KW strange attractor KW Poincare section KW computational methods KW visualization JO Actual directions of scientific researches of the XXI century: theory and practice AU Grafov, V.. AU Sopilnyak, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov