Guckenheimer J. Nonlinear oscillations, dynamical systems, and bifurcations of vector fields / J. Guckenheimer, P. Holmes, 1990. - XVI,459 p. p. - Текст : непосредственный.
Berkooz G. Dynamical-systems-theory approach to the wall region : Paper presented at AIAA 21st fluid dynamics,plasma dynamics and lasers conf.,June 18-20,1990,Seattle(Wa)8-9 / G.Berkooz,J.Guckenheimer, 1990. - 10 p. - Текст : непосредственный.