Kaplan,Wilfred. Elments of ordinary diffential equations. [S.l.]: Addison-Wesley.
Citación estilo ChicagoKaplan,Wilfred. Elments of Ordinary Diffential Equations. [S.l.]: Addison-Wesley.
Cita MLAKaplan,Wilfred. Elments of Ordinary Diffential Equations. [S.l.]: Addison-Wesley.
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