Zill, D. G. (2020). A First Course in Differential Equations with Modeling Applications (11th ed.). Cengage.
Citace podle Chicago (17th ed.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 11th ed. Delhi: Cengage, 2020.
Citace podle MLA (9th ed.)Zill, Dennis G. A First Course in Differential Equations with Modeling Applications. 11th ed. Cengage, 2020.
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