Birkhoff, G., & Rota, G. C. (1978). Ordinary differential equations (3rd ed.). New York Chichester: Wiley.
Παραπομπή Chicago StyleBirkhoff, Garrett, and Gian Carlo Rota. Ordinary Differential Equations. 3rd ed. New York Chichester: Wiley, 1978.
Παραπομπή MLABirkhoff, Garrett, and Gian Carlo Rota. Ordinary Differential Equations. 3rd ed. New York Chichester: Wiley, 1978.
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