Elments of ordinary diffential equations. - Kaplan,Wilfred ([S.l.] : Addison-Wesley)
1. Basic ideas2. equations of first order and first degree3. applications of first equations4. Linear equations of arbitrary order5. operational methods for linear differential equations5. Applications of linear differential equations7. Simulataneous linear differetial equations8. Equations not of first degree9. Solutions in terms of power series10. Numerical methods.