Ricardo, H. (2009). Modern introduction to differential equations.-2nd ed. (2nd ed.). Academic Press/Elsevier.
Dyfyniad Arddull ChicagoRicardo, Henry. Modern Introduction to Differential Equations.-2nd Ed. 2nd ed. Amsterdam ; Boston: Academic Press/Elsevier, 2009.
Dyfyniad MLARicardo, Henry. Modern Introduction to Differential Equations.-2nd Ed. 2nd ed. Academic Press/Elsevier, 2009.
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