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