1. Geometrical methods in the theory of ordinary differential equations;Arnold,1983
2. Introduction to applied nonlinear dynamical systems and chaos;Wiggins,1990
3. Bifurcation and postbifurcation of rods;Béda;Journal of Theoretical and Applied Mechanics,1996
4. Troger H, Steindl A, Nonlinear stability and bifurcation theory. An introduction for scientists and engineers. New York: Springer, Wien, 1990.
5. Béda PB, Localization as instability of dynamical systems. In: Batra RC, Zbib H, editors. Material instabilities. New York: ASME Press, 1994. p. 279–84.