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2. V.S. Afraimovich, L.P. Shilnikov, in Nonlinear Dynamics and Turbulence, edited by G.I. Barenblatt, G. Iooss, D.D. Joseph (Pitman, Boston, 1983)
3. V.S. Anishchenko, Complex oscillations in simple systems, 2nd edn. (URSS, Moscow, 2009) (in Russian)
4. V.I. Arnold, V.S. Afraimovich, Yu. S. Ilyashenko, L.P. Shilnikov, The theory of bifurcations (VINITI, Moscow, 1986)
5. L. Arnold, Random dynamical systems (Springer, Berlin, 2003)