Chapter 81
The Differential Equations Problem Solver. VOL. I. M. Fogiel director. REA, NY. 1978. ISBN 78-63609

81.1 Chapter 2. Separable differential equations
81.2 Chapter 3. Exact differential equations. Page 42.
81.3 Chapter 4. Homogeneous differential equations.
81.4 Chapter 5. Integrating factors. Page 72.
81.5 Chapter 6. Method of grouping. Page 96.
81.6 Chapter 7. Linear Differential Equations. Page 101.
81.7 Chapter 8. Riccati Equation. Page 124.
81.8 Chapter 9. Clairaut Equation. Page 133.
81.9 Chapter 13. The Wronskian and linear independence. Page 283.
81.10 Chapter 14. Second order homogeneous differential equations with constant coefficients. Page 297.
81.11 Chapter 15. Method of undetermined coefficients. Page 337.
81.12 Chapter 16. Variation of Parameters. Page 375.
81.13 Chapter 17. Reduction of Order. Page 420
81.14 Chapter 18. Algebra of differential operators. Page 435
81.15 Chapter 19. Change of variables. Page 483
81.16 Chapter 20. Adjoint of a differential equation. Page 506
81.17 Chapter 21. Applications of second order differential equations
81.18 Chapter 22. Electrical Circuits