Tongren, D. (2007). Approaches to the qualitative theory of ordinary differential equations: Dynamical systems and nonlinear oscillations. World Scientific.
Chicago Style (17th ed.) CitationTongren, Ding. Approaches to the Qualitative Theory of Ordinary Differential Equations: Dynamical Systems and Nonlinear Oscillations. New Jersey, NJ: World Scientific, 2007.
MLA (8th ed.) CitationTongren, Ding. Approaches to the Qualitative Theory of Ordinary Differential Equations: Dynamical Systems and Nonlinear Oscillations. World Scientific, 2007.
Warning: These citations may not always be 100% accurate.