Cita APA (7a ed.)
Perko, L. (2001). Differential Equations and Dynamical Systems (3rd Ed.). Springer Verlag.
Cita Chicago Style (17a ed.)
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd Ed. New York: Springer Verlag, 2001.
Cita MLA (9a ed.)
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd Ed. Springer Verlag, 2001.
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