TY  JOUR
TI  Free van der pol equation
KW  free Van der Pol equation
KW  nonlinear dynamical systems
KW  the simplest systems with dynamical chaos
JO  Actual directions of scientific researches of the XXI century: theory and practice
AU  Zuev, S.V.
PY  2014
IS  2
PB  FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov