Biler, P., Nadzieja, T., & Nadzieja, T. (1992). Problems and examples in differential equations. New York: M. Dekker.
Παραπομπή Chicago StyleBiler, Piotr, Tadeusz Nadzieja, and Tadeusz Nadzieja. Problems and Examples in Differential Equations. New York: M. Dekker, 1992.
Παραπομπή MLABiler, Piotr, Tadeusz Nadzieja, and Tadeusz Nadzieja. Problems and Examples in Differential Equations. New York: M. Dekker, 1992.
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