Magnus - Essential Ordinary Differential Equations - New paperback or - X555z

El Attar - Ordinary Differential Equations - New paperback or softback - X555z

Forsyth - ory of Differential Equations - New paperback or softback - - X555z

Boole - A Treatise On Differential Equations Volume 2 - New paperback - X555z

Paterson - NO ORDINARY BLOKE - New paperback or softback - X555z

Ordinary differential equations, by E. L Ince

Osweiller - Expressions and Equations - New paperback or softback - X555z

Ordinary Differential Equations by E. L. Ince 1956 Dover Publications paperback