APA (7th ed.) Zitazioa
Perko, L. (2001). Differential equations and dynamical systems (3rd ed.). Springer.
Chicago Style (17th ed.) Zitazioa
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd ed. New Delhi: Springer, 2001.
MLA (9th ed.) Zitazioa
Perko, Lawrence. Differential Equations and Dynamical Systems. 3rd ed. Springer, 2001.
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